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Semiconductor Industry News 2 January 2026 - 4 January 2026

Korea Exchange today: KOSPI breaks 4,300 record as Samsung HBM4 talk lifts chip stocks

Korea Exchange today: KOSPI breaks 4,300 record as Samsung HBM4 talk lifts chip stocks

NEW YORK, January 4, 2026, 08:51 ET — Market closed South Korean shares on the Korea Exchange ended Friday at fresh highs, with the benchmark KOSPI jumping 95.46 points, or 2.27%, to a record 4,309.63. The tech-heavy KOSDAQ rose 2.17%, while the won was last quoted at 1,441.8 per dollar near the close. KBS World The surge was powered by heavyweight chip names after Samsung Electronics’ co-CEO and chip chief Jun Young-hyun said customers had praised the competitiveness of its next-generation HBM4 chips, adding that “Samsung is back.” Samsung shares rose 7.2% and SK Hynix gained 4%, both hitting record
4 January 2026
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Micron (MU) stock jumps 10% as Bernstein lifts target on AI-driven memory price upcycle

Micron (MU) stock jumps 10% as Bernstein lifts target on AI-driven memory price upcycle

NEW YORK, January 4, 2026, 05:50 ET — Market closed Micron Technology shares surged 10.5% to close at $315.42 on Friday, as a bullish analyst note helped extend a powerful rally in memory stocks tied to artificial-intelligence data centers. The move matters now because memory is one of the key inputs for AI servers, and tighter supply can push up prices quickly. Higher prices typically flow straight into chipmakers’ margins when they sell more of the same bits at better terms. Micron is a major supplier of DRAM (dynamic random access memory, a type of working memory used in computers
4 January 2026
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Chip stocks brace for Monday after U.S. strikes Venezuela — three scenarios to watch

Chip stocks brace for Monday after U.S. strikes Venezuela — three scenarios to watch

NEW YORK, Jan 3, 2026, 17:31 ET U.S. President Donald Trump said the United States struck Venezuela overnight and captured President Nicolas Maduro, a shock event that investors are now mapping onto the next trading session for semiconductor stocks.  Reuters Chip shares entered the weekend with momentum. The Philadelphia SE Semiconductor Index, a widely watched gauge of U.S. chipmakers, rose 4% on Friday as Nvidia and Intel helped lift the Dow.  Reuters Why it matters now is less about Caracas buying chips and more about what happens to oil and interest rates. Jamie Cox, managing partner at Harris Financial Group,
4 January 2026
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KLA stock surges nearly 5% to start 2026 as chip-gear rally puts KLAC near a new high

KLA stock surges nearly 5% to start 2026 as chip-gear rally puts KLAC near a new high

NEW YORK, Jan 3, 2026, 15:20 ET — Market closed KLA Corp shares closed up 4.89% at $1,274.47 on Friday, as chip-equipment stocks rallied to open the 2026 trading year. The stock traded between $1,250.55 and $1,283.99 and finished about $12 below its 52-week high of $1,286.81, according to market data. Investing The move matters because KLA sits at the front end of chipmakers’ spending plans. Demand for the company’s process-control tools tends to track how aggressively customers expand capacity for advanced chips and memory used in artificial-intelligence workloads. Semiconductors led the market on Friday, with the Philadelphia Semiconductor Index
3 January 2026
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Texas Instruments stock jumps as chipmakers rally — here’s what TXN investors watch next

Texas Instruments stock jumps as chipmakers rally — here’s what TXN investors watch next

New York, January 3, 2026, 14:56 ET — Market closed Texas Instruments Incorporated shares rose 2.3% to $177.52 at Friday’s close, after trading between $174.71 and $178.88. About 6.1 million shares changed hands. The move matters because chip stocks are setting the early tone for risk appetite at the start of 2026, after a choppy finish to the year. Texas Instruments is often treated as a read-through on broad electronics demand because its chips go into a wide range of products. That sensitivity is in focus heading into earnings season, when management commentary can reset expectations for orders and inventories.
3 January 2026
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Marvell stock jumps 5% to start 2026 as chip rally returns — what traders watch next (MRVL)

Marvell stock jumps 5% to start 2026 as chip rally returns — what traders watch next (MRVL)

NEW YORK, January 3, 2026, 14:00 ET — Market closed Marvell Technology, Inc. shares rose 5.2% in the last U.S. session, closing at $89.39 on Friday. The move came as investors rotated back into semiconductor stocks to open 2026, with AI-related names leading the rebound. For Marvell, sentiment tends to track expectations for data-center spending, where the company sells networking and custom chips. That matters now because the first full trading week of the year brings market-moving economic data that can reset rate expectations and risk appetite. Growth stocks with rich valuations, including AI-linked chipmakers, have been especially sensitive to
3 January 2026
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ACM Research (ACMR) stock jumps nearly 14% to start 2026 as chip shares rebound; what’s next

ACM Research (ACMR) stock jumps nearly 14% to start 2026 as chip shares rebound; what’s next

NEW YORK, January 3, 2026, 10:41 ET — Market closed. Shares of ACM Research closed up about 13.8% at $44.88 on Friday, outpacing the broader semiconductor rally on the first trading day of 2026. The outsized move matters because it signals renewed risk appetite in smaller semiconductor names after a choppy end to December, with investors quickly rotating back into chip-related stocks as the calendar turned. Chip stocks led the bounce, and the Philadelphia SE Semiconductor index rose about 4% on Friday. “Investors might be a little bit more conscious about some of the valuations that they’re paying for some
3 January 2026
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Marvell stock jumps 5% as chip rally kicks off 2026; CES CEO chat is next test

Marvell stock jumps 5% as chip rally kicks off 2026; CES CEO chat is next test

NEW YORK, Jan 2, 2026, 20:09 ET — Market closed Marvell Technology shares ended Friday up 5.2% at $89.39, after trading between $86.12 and $90.08. The move matters because Marvell sits in the cross-currents of two market drivers: spending on AI and data-center infrastructure, and interest-rate expectations that can swing valuations for growth stocks. After a choppy year-end, traders have been quick to buy semiconductor exposure early in 2026, treating chipmakers as a high-beta proxy for risk appetite. U.S. stocks started 2026 mixed, with the Dow up 0.66% and the S&P 500 up 0.19%, while the Nasdaq edged down 0.03%,
3 January 2026
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Why Vicor (VICR) stock is up today: chip rally, court calendar and earnings date in focus

Why Vicor (VICR) stock is up today: chip rally, court calendar and earnings date in focus

NEW YORK, January 2, 2026, 13:41 ET — Regular session Vicor Corp shares rose 7.5% to $117.85 in early afternoon trading on Friday, in a sharp move for the Nasdaq-listed power-module maker. Trading was light, with about 33,231 shares changing hands by mid-day, MarketBeat data showed. MarketBeat The move puts Vicor back on traders’ screens at the start of 2026, when thin post-holiday liquidity can exaggerate swings in smaller chip-related names. The broader backdrop was supportive for semiconductors even as U.S. stocks were largely muted. The Philadelphia SE Semiconductor index was up 3.4%, Reuters reported, as investors sized up the
2 January 2026
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Camtek stock jumps 8% today as chip-equipment rally lifts CAMT; traders eye Fed, jobs data

Camtek stock jumps 8% today as chip-equipment rally lifts CAMT; traders eye Fed, jobs data

NEW YORK, Jan 2, 2026, 1:50 PM ET — Regular session Camtek Ltd shares rose 8.1% to $115 in afternoon trading on Friday, after swinging between $108.90 and $116. The stock opened at $110.55 and had traded about 145,500 shares. The move puts the semiconductor inspection-equipment maker back in focus as investors start 2026 hunting for strength inside technology. Chip-related names have been prone to sharp, fast moves as money rotates between risk-on and risk-off trades. Chip stocks led gains on Wall Street even as the main indexes traded muted; the Philadelphia SE Semiconductor index — a basket of U.S.-listed
2 January 2026
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TSMC gets U.S. annual licence to keep its China Nanjing chip plant supplied with American tools

TSMC gets U.S. annual licence to keep its China Nanjing chip plant supplied with American tools

SEOUL, Jan 2, 2026, 10:52 ET The United States has granted Taiwan Semiconductor Manufacturing Co (TSMC) an annual licence allowing shipments of U.S.-controlled chipmaking equipment to its facilities in Nanjing, China, the company said. Reuters The decision matters because the carve-outs that had let selected foreign chipmakers move certain American tools into China without case-by-case permissions expired on Dec. 31. The companies had to secure new authorisations for 2026 to avoid delays in equipment needed to keep factories running. The annual licence also signals a shift in how Washington is policing tool flows into China-linked semiconductor production. Instead of broad
2 January 2026
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AMD stock jumps to start 2026 as MI450 AI chips and Helios racks draw fresh attention

AMD stock jumps to start 2026 as MI450 AI chips and Helios racks draw fresh attention

NEW YORK, January 2, 2026, 10:28 ET Advanced Micro Devices’ shares rose about 5% on Friday, kicking off 2026 with a fresh burst of optimism around the chipmaker’s artificial intelligence hardware plans. The stock was up 5.2% at $225.24 by 10:13 a.m. ET. The early-year move comes as investors reassess demand for AI infrastructure after a strong 2025 run for chip stocks. AMD is pitching a new generation of data-center accelerators and “rack-scale” systems as it tries to win larger deployments from cloud and enterprise customers. Commentary published over the past two days has put AMD’s 2026 server roadmap back
2 January 2026
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