Micron (MU) news that moved the stock

What happened

Dell Technologies (DELL) jumped about 14% in Wednesday's afternoon session to around $382.93, after the company announced an expansion of its AI Data Platform with enhanced storage, search and analytics features, and partnered with KIOXIA America to create a 157 petabyte object storage architecture built in a standard 42U rack using Dell ObjectScale on PowerEdge servers with KIOXIA 245.76 TB solid-state drives. The move came as CoreWeave's better-than-expected Q3 results eased fears of cooling AI infrastructure spending and lifted the whole AI hardware complex.

What happened

CoreWeave (CRWV) reported third-quarter 2026 results after Tuesday's close that beat expectations across the board: revenue of $3.66 billion, up 168% year over year and above the roughly $3.55 billion LSEG consensus, with adjusted operating income of $379 million — well above its $200-260 million guidance — and a record revenue backlog of $132.5 billion, up 138% year over year. The company raised full-year 2026 revenue guidance to $13.0-13.3 billion and lifted its exit-ARR target to $20-21 billion, while forecasting adjusted profitability in the first half of 2028. Shares rose 7.9% in after-hours trading Tuesday to $52.58, then jumped more than 16% in Wednesday premarket trading. The beat ignited a broad premarket rebound in beaten-down AI and semiconductor shares: Nasdaq 100 futures were up 555 points, S&P 500 futures up 71 and Dow futures up 88, with Nvidia rebounding about 4.4% after two sharply lower sessions and Micron and Marvell also advancing.

What happened

Micron Technology has all but halted construction on its planned Fab 11E memory-chip facility in Taoyuan, Taiwan, Bloomberg reported Thursday, citing people familiar with the matter. The project, budgeted at $3 billion to $4.5 billion and scheduled to begin production in 2028, was to make DRAM and high-bandwidth memory (HBM) for AI data centers. Micron has informed Taiwanese officials and a supplier of the suspension, and will complete only limited safety work before freezing construction. The trigger is an escalating labor dispute: the Taoyuan union wants 15% of Micron's global operating profits distributed to employees (in cash), and Micron fears a deal reached with its larger Taichung union in October could be overturned. Micron said its existing Taiwan operations continue normally. Caveat: the pause is Bloomberg-sourced (people familiar with the matter) and unconfirmed by Micron — the Taoyuan union told China Times on Nov 5 the report is not official company information and needs confirming, and Taoyuan's city government said it had not received notice of a pause. Micron says its existing Taiwan operations continue normally.

What happened

The AI-spending selloff extended into a third straight day of tech declines on Monday, November 2. The Nasdaq Composite fell 1.07% to 25,164.32 and the S&P 500 slipped 0.51% to 7,541.40, while the Dow Jones Industrial Average rose 0.41% to 51,983.98 — the only major index to finish higher. Technology was the worst sector at -2.66%, and the Philadelphia Semiconductor Index dropped 3.37%. Intel tumbled another 8.8% after its ~30% Friday collapse; Marvell Technology plunged 12.72% and Lumentum 18.59% as the market punished the $115B all-stock merger; Oracle sank 8.85% to $119.10 after filing a $20B stock-and-bond raise; Micron fell 5.7% and Seagate 8%.

What happened

Seagate Technology reported record fiscal first-quarter results after Tuesday's close, but shares fell 5.7% to $630 in after-hours trading after rising 3.7% in the regular session. Adjusted earnings were $7.68 per share, up from $2.61 a year ago and above Wall Street's $7.45 consensus, while revenue rose 61% year over year to $4.23 billion, beating the $4.15 billion consensus. Guidance also topped estimates: Seagate expects second-quarter adjusted earnings of $9.20 per share (plus or minus 20 cents) on revenue of about $4.8 billion, versus consensus of $8.66 per share and $4.5 billion. Capital spending of $211 million was within the company's 4-6% of revenue target range but above the $202 million analysts expected.

What happened

Meta Platforms' $25 billion common-stock sale — the first tranche of its upsized $97.5 billion equity raise — ended about five times oversubscribed, according to Bloomberg-cited coverage, a strong demand signal for the largest equity raise of its kind. AMD confirmed a $1 billion pledge to the offering, joining Nvidia's previously announced $3 billion commitment; the two pledges answer the open question from earlier coverage about whether AMD and Broadcom would confirm participation and at what size. The sale's reception helped spark Tuesday's chip-led rally: the Nasdaq Composite rose 1.18% and the S&P 500 gained 0.60%, with AMD up 5.1%, Nvidia up about 1%, and Broadcom and Micron also advancing, even as Meta itself slipped about 1.5%.

What happened

SK Hynix reported record third-quarter results overnight, with revenue of 104.62 trillion won (up 327.9% year over year and 31.9% sequentially, the first quarter above 100 trillion won) and operating profit of 83.33 trillion won (up 632.1% year over year), beating the FnGuide consensus of 98.23 trillion won in revenue and 76.96 trillion won in operating profit. The operating margin hit a record 79.7%. CEO Kwak Noh-jung said on the earnings call that HBM is sold out through 2029 under long-term agreements, with 14 major customers covering more than half of planned 2027-2028 production capacity, and the company forecast memory supply shortages lasting through 2030. HBM4 shipments are ramping and are expected to overtake HBM3E in volume and revenue in Q4. The board also approved a shareholder return plan of up to 100 trillion won (roughly $75 billion), the largest in company history. Seoul-listed shares rose about 4% and the ADR gained overnight, though IBD noted the ADR's overnight move was modest after a recent plunge.

What happened

Lam Research (LRCX) tumbled about 11.8% Thursday — far beyond Wednesday's ~5% after-hours dip — after analysts trimmed price targets following the company's warning that near-term supply constraints could push some December-quarter shipments into March 2027, with guidance for adjusted fiscal Q2 earnings slightly weaker than expected. The crash ignited a broad semiconductor selloff: the PHLX Semiconductor Index dropped 6.7%, with KLA and GlobalFoundries down more than 9%, and Marvell, Intel and AMD each falling more than 8%. Motley Fool noted midday that Lam's supply-chain warning had become the catalyst for the day's AI-stock jitters, and the semiconductor rout fed the Nasdaq's worst session since June (-2.6%), its lowest close in over a month, with the S&P 500 falling 1.2% and both dipping below their 50-day moving averages.

What happened

South Korean AI cloud and data-center company Elice plunged 32% on its Seoul trading debut Tuesday — the worst debut for a sizable company in years — reigniting doubts about the sustainability of the AI spending boom. The KOSPI fell 3.7% to close at its lowest level in more than six months, with memory giants SK Hynix and Samsung leading the decline. The weakness crossed into U.S. trading: Nasdaq 100 futures were down 0.4% (S&P 500 futures flat, Dow futures up 0.2%), and chip stocks including Micron, Marvell, and SanDisk each fell more than 2% in U.S. premarket trading. Separately, WTI crude jumped more than 3% and Brent topped $111 a barrel — up 13% in October — on lingering Middle East supply risks.

What happened

South Korea's KOSPI plunged about 3.5% to ~5,563 at Tuesday's open, extending semiconductor losses and trimming its 2026 gains to around 31%, down sharply from nearly 116% at its record closing high in June. Memory chipmaker SK Hynix fell 4.07% and Samsung Electronics shed 1.03%. The Nikkei 225 declined ~1.2% (SoftBank -4.46%, Tokyo Electron -1.45%, Renesas -1.49%), the Hang Seng fell ~0.9%, and Euro Stoxx 50 futures pointed ~0.7% lower. U.S. futures were calm: S&P 500 futures up ~0.2% near 7,746, Nasdaq 100 futures flat near 29,730.

What happened

U.S. equities rebounded Monday after the Nasdaq's worst week since June, with the Nasdaq Composite rising about 1.3% and the S&P 500 up 0.5% while the Dow was flat. Chipmakers and AI-infrastructure stocks led the recovery: the iShares Semiconductor ETF (SOXX) rose more than 2%, with SanDisk and Western Digital up over 6%, Marvell up 5%, and Intel, Lam Research and Micron up more than 4%. The Magnificent Seven — except Meta — powered the advance: Amazon surged 4.8%, adding 71 points to the Dow, while Microsoft, Nvidia and Alphabet each contributed roughly 24 points; Tesla rose 3-4%. Meta lagged, falling about 0.9%. The bounce came as Dow and S&P futures had climbed earlier in the day on fading expectations of an October Fed rate hike (odds now ~13-15%) and as investors positioned ahead of a pivotal earnings week.

What happened

JPMorgan upgraded Intel (INTC) to Neutral from Underweight on Monday morning, October 19, 2026. Intel shares rose about 3.8% in premarket trading on the upgrade, and the Wall Street Journal also flagged Intel up more than 3% premarket after slumping 5.8% on Friday. The upgrade comes as AI-linked and semiconductor stocks attempt to rebound from last week's sharp selloff.

What happened

Samsung Electronics will use TSMC's 3-nanometre process to produce the base dies for Nvidia's next-generation custom high-bandwidth memory (NVHBM) chips, the Seoul Economic Daily reported on Sunday, as carried by Reuters. It would be the first time Samsung has worked with TSMC at the HBM manufacturing stage. Nvidia has asked all three of its HBM suppliers — Samsung, SK Hynix and Micron — to use TSMC's process for NVHBM base dies and sixth-generation (1c) DRAM technology for the core dies. Samsung accepted Nvidia's requirements after an internal review, while planning to retain its in-house production model for standard HBM and custom products for other customers, and is assessing whether its own foundry could produce NVHBM base dies if demand exceeds TSMC's capacity.

What happened

ASML reported third-quarter net profit of 4.96 billion euros ($5.55 billion), more than double the 2.92 billion euros a year earlier and well above the ~4.2 billion euro consensus, on record net sales of 11.66 billion euros. Sales came in slightly below the ~11.72 billion euro consensus, but gross margin of 57.5% beat guidance. ASML raised its full-year sales outlook for a third time in 2026, to 44-45 billion euros from 43-45 billion, and guided Q4 sales of 14.2-15.2 billion euros, above expectations. CEO Christophe Fouquet said customers keep raising short- and medium-term equipment demand forecasts on AI investment, with some expressing interest in orders for 2029 and even 2030, and that planned supply for 2027 and 2028 will not fully meet customer demand.

What happened

South Korea's KOSPI crashed more than 6% in intraday trading on Tuesday, Oct 13, breaking below the 6,000 level (5,996.16 at 10:40 a.m. KST, -6.08%), after opening 3.1% lower. The selloff triggered a sell sidecar at 9:47:58 a.m. KST — a five-minute suspension of program sell orders after KOSPI 200 futures fell 5.08% — the first on the main board in about two months. Samsung Electronics fell 6.79% to 233,500 won and SK Hynix tumbled 8.54% to 1.468 million won; foreign investors net sold 1.81 trillion won on the main board, with retail and domestic institutions absorbing the flow. The KOSPI is now down 10.1% over five sessions, its fifth straight decline. The catalyst is China's ChangXin Memory Technologies (CXMT): over the weekend it announced progress on a denser 4F² DRAM design (TrendForce estimates 30-50% density improvement) and plans to mass-produce next-generation server DRAM within the year, raising fears of expanded global memory supply. US chips sold off overnight ahead of it: the Philadelphia Semiconductor Index fell 2.67%, Micron fell 3.9% and Sandisk 6.0%.

What happened

Samsung reported preliminary Q3 results with a ninefold jump in operating profit, yet the print fell below market expectations, per the WSJ, sending the stock down 2.4% and dragging Asian tech lower. U.S. chip makers fell premarket as the market treated the miss as a read-through on the red-hot memory cycle. Fellow memory plays Micron, Sandisk and SK Hynix were flagged by IBD as the names to watch Thursday; Micron had jumped 4.1% Wednesday on D.A. Davidson's $3,000 price target. TSMC reports sales early Thursday, keeping the sector news flow dense.

What happened

Samsung Electronics projected a 783% jump in third-quarter operating profit from a year earlier, beating analysts' estimates, as booming demand for artificial-intelligence chips drove strong memory earnings. The world's largest memory chipmaker estimated an operating profit of 107.4 trillion won ($80.17 billion) for the July-September period, compared with an LSEG SmartEstimate of 106.1 trillion won, according to a regulatory filing. Third-quarter revenue is expected to rise 127% to 195 trillion won from a year earlier. The company said prices have soared due to tight supply of conventional DRAM and NAND chips as well as growing demand for high-bandwidth memory (HBM), and that the supply gap is expected to persist into 2027. Samsung will release detailed results, including a division breakdown, later this month.

What happened

D.A. Davidson analyst Gil Luria raised his price target on Micron to $3,000 from $2,100, a 43% increase and a new Street-high-style marker. Micron shares advanced 3.6-4% to about $1,084-1,086, with the stock having roughly tripled this year. The rerating came even as the semiconductor industry faced a threatened strike in Taiwan, underscoring how dominant the memory-demand narrative is right now.

What happened

Bloomberg reported Tuesday that Seagate Technology and Japan's Toshiba have entered a bidding contest to acquire TDK Corp's business that produces magnetic heads for hard-disk drives. The deal news hit an already-weak memory sector: Seagate shares sank about 9% and Western Digital fell roughly 6.5-7% as investors weighed the cost of a bidding war and broader fears that memory prices may be peaking.