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- How to Buy Japanese Chip Stocks: Tokyo Shares, OTC ADRs and ETFs
Three routes to Japan's chip stocks from abroad: Tokyo-listed shares, OTC receipts such as KXIAY and TELWY, and semiconductor ETFs, with the rules and taxes.
- How to Buy Taiwan Stocks From Abroad: TWSE Shares, TSM and ETFs
Three routes to Taiwan's stock market from outside Taiwan: registering for TWSE shares, US-listed ADSs such as TSM, and ETFs, with the rules, hours and taxes.
- Top 1% investors add Samsung, SK hynix as KOSPI drops 1.46%
Two Korean newspapers say top-return investors added Samsung and SK hynix shares on Oct 26 as both stocks slipped ahead of Q3 earnings calls.
- Samsung slips 1.16% as KOSPI waits on earnings and the Fed
Samsung Electronics fell 1.16% to 213,000 won on Oct 26, less than the KOSPI's 1.46% drop, three days before its third-quarter earnings call.
- What Do 3nm and 2nm Mean? Chip Process Nodes Explained
Why 3nm and 2nm are generation names, not measurements; who makes chips at each node, from TSMC and Samsung to Intel and Rapidus, and what comes after 2nm.
- NAND Outlook Up, Shares Down: Sandisk and Kioxia Report October 29-30
Sandisk and Kioxia, the two NAND-only makers, report this week. TrendForce raised its Q4 NAND price outlook, yet both stocks sit far below their June highs.
- SK hynix weighs 16 trillion won special dividend, newspaper says
Dong-A Ilbo reports SK hynix may pay about US$12 billion from its Kioxia stake sale, possibly announced with results on October 28.
- US Chip Export Controls on China, Explained
What US controls on AI chips, chipmaking tools and HBM to China cover, how they changed since 2022, what they mean for chipmakers, and the dates ahead.
- What Is CoWoS? TSMC's Advanced Packaging and the AI Chip Bottleneck
CoWoS is TSMC's 2.5D packaging that puts an AI chip and its HBM memory side by side. Its three versions, why capacity ran short and where it is growing.
- Samsung and SK hynix face results week after steep October slide
SK hynix reports third-quarter results on Oct 28 and Samsung on Oct 29, after October drops of 30.33% and 21.92% in their shares.
- Foundry, Fabless and IDM: How Chipmakers Split the Work
Nvidia designs, TSMC manufactures, Micron does both. What fabless, foundry, IDM and OSAT mean, with each label checked against the companies' own filings.
- Why Samsung Reports Earnings Twice, and How Other Chipmakers Report
Samsung files an early sales and profit estimate, then full results weeks later. How close they were, and how SK hynix, TSMC, Micron and Kioxia report.
- Nasdaq Down Two Weeks: Can Google, Microsoft and Amazon Stop It?
The Nasdaq Composite fell for a second straight week, losing 5.1% in two weeks. Next week's Microsoft, Alphabet and Amazon earnings may decide what comes next.
- SOXX vs SMH vs SOXQ: How Three Semiconductor ETFs Differ
SOXX, SMH and SOXQ follow three different chip indexes. How each caps Nvidia and TSMC, what they charge, and where SK hynix's US shares show up.
- How a Stock Gets Into the S&P 500 and the Nasdaq-100
A committee picks S&P 500 members; written rules pick the Nasdaq-100. How each decides, the 2026 rule changes and where Asian chipmakers stand.
- KOSPI erases early chip slump to end 0.3% higher
Seoul's KOSPI dropped 2.83% early on Oct 23 after US chip stocks fell 6.72%, then reversed course to close at 5,550.30.
- Samsung jumps 5.67%, then KOSPI erases the gain a day later
Samsung Electronics had its best day in seven weeks on Oct 21. The KOSPI then fell 3.52%, a drop local outlets tied to the end of big chip share purchases.
- Dow, S&P 500 and Nasdaq: What Each US Stock Index Measures
The Dow weighs 30 stocks by share price, the S&P 500 weighs about 500 by market value, and the Nasdaq indexes track Nasdaq listings. Where the chipmakers sit.
- US Stock Futures Overnight: What Dow, S&P 500 and Nasdaq Futures Show
US index futures trade almost around the clock, so they move during Asian hours. What they are, when they trade in Seoul and Tokyo time, and their limits.
- Record Quarter, 12% Drop: Why Lam Research Stock Fell
Lam Research shares fell 11.76% on October 22, a day after it reported record revenue of $8.22 billion, up 54% from a year earlier.
- Micron leads chip recovery, Barron's says, after 20.3% slide
Barron's put Micron at the front of a chip-stock recovery on Oct. 23, after a 6.26% drop on Oct. 22 and a 20.32% fall since Oct. 2.
- TSMC pushes CoPoS packaging at Longtan, DigiTimes reports
DigiTimes says TSMC is moving ahead with CoPoS chip packaging in Taoyuan. The Taipei shares are down 4.98% in October.
- Lee Jae-yong tours Abu Dhabi plant site as Samsung slides 4.03%
Samsung Chairman Lee Jae-yong toured a UAE power plant site that Korean outlets linked to AI. Samsung shares fell 4.03% to 214,500 won on Oct 22.
- Samsung union pushes chip bonus overhaul as shares drop 4%
Samsung's union moved on Oct 22 to change chip-division bonus rules, with 81% in favor. The shares fell 4.03%, more than the KOSPI.
- Texas Instruments outlook tops estimates before Asia opens
Texas Instruments gave a sales outlook above analyst estimates after the Oct 21 US close. Bloomberg tied it to stronger demand.
- TSMC seeks chip tools free of Chinese rare earths, Reuters says
Reuters says TSMC is looking for factory equipment that avoids China's rare earths. The report came after Taipei closed on Oct 22.
- Musk targets 2028 for volume output at Terafab chip venture
Elon Musk said the SpaceX-Tesla Terafab project aims for volume chip production in 2028, with ASML speeding tool deliveries. Intel rose 1.39%.
- Merck opens Korean plant for molybdenum chip material
Merck began production in Eumseong, South Korea, of a molybdenum compound used to lay ultrathin metal films in advanced memory chips.
- Micron moves toward a quarterly bonus linked to its profits
Micron plans a profit-linked bonus paid every quarter, Reuters and BusinessKorea reported, days after a Taiwan union planned a walkout over bonus pay.
- SK hynix, Kioxia Slide: 3 Reasons Asia's Chip Stocks Fell Together
SK hynix fell 5.49% and Samsung Electronics 4.03% on October 22, as Kioxia and TSMC also slid. Here are three reasons behind the joint drop.
- SK hynix slides 5.49% as its share repurchase comes to an end
SK hynix lost 5.49% on Oct 22, a session after finishing its 40 trillion won repurchase early, falling further than the KOSPI's 3.52% drop.
- Micron backs indium processing in New York; shares barely move
MarketWatch reported Micron is investing in indium for critical-minerals processing in New York state. The size is undisclosed, and the stock slipped 0.98%.
- Flying Roadster, Grounded Profit: Tesla’s Q3 in 5 Numbers
Tesla's Q3 operating income fell 56% to $718 million, yet its gross margin rose to 19.6%, above both a year earlier and the previous quarter.
- Moody's lifts TSMC's credit rating, Taipei Times says
Moody's has raised its credit rating on TSMC, the Taipei Times reported, as the chipmaker's revenue grew 54.65% from a year earlier in September.
- Samsung, SK hynix gain over 5% as Reuters reports China fab upgrades
Samsung Electronics and SK hynix each closed up more than 5% on Oct 21, the day Reuters reported both are upgrading their China chip plants.
- SK hynix wraps up 40 trillion won repurchase weeks early
SK hynix has completed its 40 trillion won share repurchase about four weeks before its Nov 19 deadline, as the stock rebounded 5.81% on Oct 21.
- Micron dips 0.98%, lagging chip index as October slide deepens
Micron closed at US$896.07 on Oct 20, down 0.98% versus a 0.29% fall in the PHLX Semiconductor Index, extending a 15.87% drop since Sept 30.
- TrendForce says TSMC Arizona to make 100 million-plus Apple chips
TrendForce reported that TSMC's Arizona plants will supply Apple with more than 100 million chips. TSMC has made no filing on the report.
- Micron union in Taiwan plans one-day walkout over bonus pay
A union at Micron's Taiwan operations plans a one-day strike over bonuses and profit-sharing, set for Oct. 22 according to BusinessKorea.
- Chip Stock Heatmap Explained: How to Read the Asia-Pacific Chips Map
How to read Pacific Tape's chip stock heatmap: 41 chipmakers from Korea, Taiwan, Japan and the US, box sizes, colors, groups, periods, using October 20, 2026.
- Why Month-End Earnings Matter for NAND-Only Kioxia and Sandisk
TrendForce expects the NAND shortage to ease in late 2027. Kioxia and Sandisk, which make only NAND, report results on October 29 and 30.
- TSMC stops work at Kaohsiung site after four workers die
Four construction workers died after a collapse at a TSMC construction site in Kaohsiung. TSMC has stopped work there, according to Reuters.
- Samsung and SK hynix claw back AI-debt losses, then slip again
Samsung Electronics and SK hynix opened Oct 19 about 6% lower on AI-debt worries, recovered by the close, then fell again on Oct 20.
- Samsung and SK hynix widen supplier aid as supplier stocks slump
Korean chip-supplier shares fell more than 20% alongside Samsung Electronics and SK hynix, and both chipmakers kept sliding through Oct 20.
- Samsung, SK hynix rise 4-5% early as Super Micro lifts AI mood
Samsung Electronics and SK hynix gained 4% to 5% early on Oct 21 after Super Micro's AI server results, breaking a three-week slide.
- Asia Chip Stocks From a US Account: SKHY, TSM, KXIAY and Other Tickers
What an ADR is, and which US tickers stand for SK hynix, TSMC, Kioxia, Samsung and other Asian chipmakers: ratios, fees, OTC vs listed, and price gaps.
- One Chip Day, Four Closes: Seoul, Taipei, Tokyo and New York
When Seoul, Taipei, Tokyo and New York open and close, in local, Singapore and New York time, how news passes between them, and what a close on the map means.
- Japan's Margin Trading Data: What It Says About Kioxia
What Japan's margin balances measure, who publishes them and when, and Kioxia's (285A) balances in Tokyo Stock Exchange files from October 1 to 19, 2026.
- Kioxia Outside Japan: 285A in Tokyo vs KXIAY Over the Counter
KXIAY is an unsponsored OTC receipt for Kioxia, worth a tenth of a 285A share. Who issues it, what holders get, the fees, the volume and how to compare prices.
- Kioxia's 3-for-1 Split: How to Read Its Price History
Kioxia (285A) split each share into three on October 1, 2026. How adjusted and unadjusted prices differ, and how to compare pre- and post-split figures.
- Micron's Fiscal Calendar: Why Its Quarters Don't Match Samsung's
Micron's fiscal year ends on the Thursday closest to August 31, so its quarters end about a month earlier than Samsung's and SK hynix's calendar quarters.
- Nikkei 225 vs TOPIX: Why Chip Stocks Move Them So Differently
The Nikkei 225 weights by price, TOPIX by free-float market value. Why Advantest and Tokyo Electron move the Nikkei far more, with Nikkei's own factors.
- The Philadelphia Semiconductor Index (SOX) and Why Asia Watches It
The PHLX Semiconductor Index (SOX) tracks 30 US-listed chip stocks, TSMC's ADS among them. How Nasdaq picks and caps them, and how its close lines up with Asia.
- Taiwan's 10% Daily Price Limit and Other Rules for Foreign Investors
How the Taiwan Stock Exchange's 10% daily limit, two-minute pauses, call auctions, 1,000-share lots, odd lots, T+2 settlement, 0.3% tax and registration work.
- TSM vs 2330: Why TSMC's US Shares Trade Above Taipei
One TSM ADS on the NYSE equals five TSMC shares in Taipei but usually costs more. How to compute the premium, its June-October 2026 range, and why it persists.
- TSMC's Monthly Sales: How Taiwan's Monthly Revenue Reports Work
Taiwan law makes listed companies report revenue every month. What TSMC's monthly sales report contains, when it comes out and how it adds up to the quarter.
- Who Makes What in Memory: DRAM, NAND and HBM Across Asia and the US
Which memory companies make DRAM, which make NAND flash, which supply HBM and which design controllers or build modules, from their own filings.
- Why One Stock Moves Taiwan's Market: TSMC and the TAIEX
TSMC was 41.12% of the TAIEX on September 30, 2026. How Taiwan's main index is built, what that weight does to daily moves, and how often they moved together.
- SK hynix drops 4.23% on dual-listing worries, trailing KOSPI
SK hynix closed at 1,223,000 won on Oct 20, down 4.23%, as Chosunbiz pointed to dual-listing concerns. The KOSPI lost 3.73%.
- Report: SanDisk to supply all storage for Meta VR glasses
DigiTimes says SanDisk is Meta's only storage supplier for its VR glasses. The report came after a 5.53% gain in SanDisk shares on Oct 19.
- SanDisk shares bounce 5.5% after a three-week slide
SanDisk rose 5.53% to US$1,371.12 on Oct 19, outpacing the PHLX chip index, but the stock is still down 20.73% since Sept 29.
- Nomura sees memory shortage to 2028 as Samsung, SK hynix slide
Nomura kept bullish ratings on SK hynix and Samsung Electronics and expects tight memory supply through 2028, as the KOSPI fell 3.73% on Oct 20.
- Shortage Until 2028 or NAND Glut? Samsung and SK hynix
Nomura sees memory demand outpacing supply through 2028 while TrendForce warns of a NAND glut. The two forecasts look at different memory chips.
- Samsung edges up after report it will tap TSMC for Nvidia HBM part
A Seoul newspaper says Samsung will use TSMC's 3nm lines for the base die of Nvidia's custom HBM. Samsung shares rose 1.16%, trailing the KOSPI.
- SanDisk named among midday movers after a steep October slide
CNBC listed SanDisk among the biggest midday movers on Oct 19 without giving a direction, after the stock fell 24.15% from Sept. 28 to Oct 16.
- US Chip Stocks End an Eight-Day Slide, and Memory Came Back First
The US chip ETF SOXX rose 1.7% to $501.93 on Monday, October 19, ending an eight-session losing streak, with memory stocks leading the rebound.
- Musk faults Samsung and SK hynix chip pricing; shares trail KOSPI
Elon Musk criticized how Samsung and SK hynix price memory chips. Both stocks rose on Monday but lagged the KOSPI after a steep monthly slide.
- Samsung union rift over 2027 pay talks widens before earnings call
Korean media report Samsung Electronics' unions are split over who leads 2027 wage talks. Shares rose 1.16% on Monday but lagged the KOSPI.
- TSMC adds a 3nm plant in Taiwan, Chosunbiz reports
Chosunbiz says TSMC is adding a 3nm plant in Taiwan with a 2028 ramp, after a September revenue jump the company tied to advanced-process demand.
- Kioxia edges up as margin positions weigh on the stock
Kioxia rose 1.68% to ¥13,600 on Oct 19, but it is still 23.51% below its Sept 28 close as two outlets point to heavy margin positions.
- Micron rises after Chinese memory rival forecasts revenue jump
Barron's reported Micron shares rallying on Oct 19 after a Chinese memory-chip rival's revenue forecast, following a 16.62% slide since late September.
- SK hynix lags Monday rebound as pension fund counts chip losses
Korea's National Pension Service lost about $136-137 billion as SK hynix and Samsung slid. SK hynix rose 0.39% Monday while the KOSPI gained 1.76%.
- How Much Can Korea's Pension Giant Move Samsung and SK hynix?
The National Pension Service is the second-largest shareholder in Samsung Electronics and SK hynix, and it has three channels of influence.
- Korean regulators say a Solidigm US listing would breach local rules
Korea's FSS head said a possible US listing of SK hynix unit Solidigm would break dual-listing rules, The Korea Herald reported.
- SK hynix sets up 2 trillion won lending program for its suppliers
SK hynix, four big Korean banks and a state trade insurer launched a 2 trillion won program to help domestic chip suppliers borrow more cheaply.
- Samsung and SK hynix log their worst week since 2008
Korea's two chip giants posted their steepest weekly losses since the 2008 crisis, with SK hynix down 24.33% over five sessions to Oct 16.
- Samsung Electronics and SK hynix Pulled the KOSPI Down 14%. Why?
In the five days to October 16, Samsung Electronics fell 17.7%, SK hynix 24.3% and the KOSPI more than 14%, with circuit breakers on Thursday.
- How Foreign Investors Move the KOSPI, and Where to See the Daily Data
Foreign investors sold a net 4.59 trillion won of KOSPI shares on Oct 13, 2026. How their flows move Korean stocks, and where to check them daily.
- How to Buy Korean Stocks in 2026: 4 Routes for US, Singapore, UK
Four ways to own Korean shares from the US, Singapore or the UK: a Korean broker, a global broker, ADRs and GDRs, or ETFs. What each one gives you.
- How to Buy Samsung Stock Outside Korea: Shares, London GDR and ETFs
Three ways to own Samsung Electronics from abroad: Seoul shares, London GDRs and US-listed ETFs, compared on currency, hours, costs and votes.
- Korea Discount and the Value-up Program, Explained Simply
What the Korea discount means, the reasons usually given for it, and what the Value-up Program and the 2025–26 law changes have done so far.
- Samsung hosts wireless summit on a day its shares fell 9.5%
Samsung met global telecom partners in California on Oct 15. Its Seoul shares fell 9.48% that day as the KOSPI dropped 7.57%.
- US Chips Fall 4%: What Monday Holds for Samsung and SK hynix
Samsung and SK hynix ended a week of steep losses with a small rebound, but US chip stocks fell 4% and KOSPI 200 night-session futures slid Friday night.
- TIME list picks three Samsung products as shares edge up
Galaxy S26 Ultra among three Samsung products on TIME's 2026 inventions list. Shares closed at 215,500 won, up 2.62%, after a steep slide since September.
- SK hynix edges up 0.79% as Samsung and the wider market gain more
SK hynix closed at 1,272,000 won on October 16, up 0.79%, trailing Samsung Electronics and TIGER 200 on a day of memory technology showcases.
- Samsung shares rise 2.62% as TIME honors three products
Samsung Electronics closed at 215,500 won, up 2.62%, ahead of SK hynix and TIGER 200. Analysts quoted by The Korea Times called the selling overdone.
- SK hynix shares drop 11.06% as KOSPI suffers heavy losses
SK hynix closed at 1,262,000 won on October 15, down 11.06%, as chip stocks led a steep fall that triggered circuit breakers in Seoul.
- Samsung drops 9.48% as chip rout trips Korea circuit breakers
Samsung Electronics closed at 210,000 won on October 15 after a steep fall in Korean chip stocks halted trading on the KOSPI and Kosdaq.
- KOSPI Heatmap Explained: How to Read Korea's Market Map
A KOSPI heatmap shows each big Korean stock as a box: size is market value, color is the day's move. How to read one, using the October 13, 2026 map.
- Why MSCI Still Hasn't Upgraded Korea, and What Would Change It
MSCI kept Korea an emerging market in June 2026. What its review still flags, what Korea has changed since 2023, and how an upgrade would work.
- How Samsung and SK hynix Compare in HBM
HBM is the stacked memory beside AI chips. How Samsung and SK hynix compare on market share, results, HBM4 and share prices, from public figures.
- SKHY vs 000660: How the Two Ways to Own SK hynix Differ
SK hynix trades in Seoul as 000660 and on Nasdaq as SKHY, where 10 ADSs equal one share. Currency, hours, fees, rights and the price gap compared.
- Why Is the KOSPI So Volatile? Chips, Foreign Money and the Won
The KOSPI fell 5.46% on Oct 13, 2026. Three forces explain most of its big swings: two chip stocks, foreign money and the won.