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Stock Market News 4 February 2026

Shopify stock price slides again as AI jitters hit software — what to watch next

Shopify stock price slides again as AI jitters hit software — what to watch next

Shopify shares fell 5.5% to $112.74 by midday Wednesday, extending a tech sell-off that began after an AI chatbot rollout stoked competition fears. Trading volume topped 10 million shares as software stocks slid across North America and Europe. Shopify’s fourth-quarter earnings call is set for Feb. 11. Investors remain focused on guidance amid concerns over AI’s impact on margins and demand.
4 February 2026
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PepsiCo stock price jumps again as PEP backs Doritos price cuts with a $10 billion buyback

PepsiCo stock price jumps again as PEP backs Doritos price cuts with a $10 billion buyback

PepsiCo shares rose 2.5% to $166.85 by midday Wednesday after announcing up to 15% price cuts on U.S. snacks like Lay’s and Doritos. The company beat fourth-quarter forecasts with $29.34 billion in revenue and $2.26 core EPS, despite a 2% volume drop. PepsiCo reaffirmed 2026 growth targets and unveiled a new $10 billion buyback. CEO Ramon Laguarta cited affordability concerns and shifts in eating habits.
4 February 2026
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Merck stock price rises today as MRK rallies on Keytruda strength despite soft 2026 outlook

Merck stock price rises today as MRK rallies on Keytruda strength despite soft 2026 outlook

Merck shares rose 2.8% to $119.11 by midday Wednesday after the company beat Q4 expectations, but projected 2026 revenue of $65.5–$67.0 billion, below analyst forecasts. Keytruda sales climbed 7% while Gardasil dropped 34% on weak China demand. The company cited a $2.5 billion hit from generic drugs and U.S. pricing pressure. Investors remain focused on Merck’s ability to offset declines in older products.
4 February 2026
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Lam Research stock tumbles nearly 9% as chip gear sells off; COO change set for March

Lam Research stock tumbles nearly 9% as chip gear sells off; COO change set for March

Lam Research shares fell 8.6% to $210.33 by midday Wednesday, erasing earlier gains as semiconductor stocks slumped. The drop followed a sector-wide tech selloff and a sharp decline in AMD shares after a cautious forecast. Lam announced COO Patrick J. Lord will retire March 6, with Sesha Varadarajan set to succeed him. Cadence CEO Anirudh Devgan joined Lam’s board, expanding it by one member.
4 February 2026
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GE Vernova (GEV) stock tumbles 7% as bond sale settles, even with a fresh Baird upgrade

GE Vernova (GEV) stock tumbles 7% as bond sale settles, even with a fresh Baird upgrade

GE Vernova shares fell 6.6% to $729.05 by midday Wednesday after a streak of record highs, following news of a $2.6 billion bond sale to fund its $5.3 billion Prolec GE acquisition. The stock swung between $728 and $797. Baird upgraded the stock, while Xcel Energy and GE Vernova announced a major turbine and wind project alliance. The company’s wind segment reported a $598 million EBITDA loss for 2025.
4 February 2026
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Robinhood stock price slides again as bitcoin slump and crypto bill stalemate rattle HOOD traders

Robinhood stock price slides again as bitcoin slump and crypto bill stalemate rattle HOOD traders

Robinhood shares fell 8.3% to $79.84 Wednesday as bitcoin slid nearly 4% and crypto-linked stocks dropped amid stalled stablecoin legislation in Washington. Bitcoin liquidations reached $2.56 billion in recent days, CoinGlass reported. Cathie Wood’s ARK Invest bought $32.7 million in Robinhood shares after the decline. Investors await Robinhood’s Feb. 10 results for trading and asset data.
4 February 2026
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Why Mastercard stock (MA) is slipping today: Asia fleet-payments launch meets a choppy tape

Why Mastercard stock (MA) is slipping today: Asia fleet-payments launch meets a choppy tape

Mastercard shares slipped 0.3% to $549.26 by midday, holding up better than the Nasdaq 100, which fell nearly 1.9%. The company launched a new fleet-payments suite in Asia Pacific and introduced a co-branded card with Shopee in Vietnam. Visa shares dropped 0.6%, while American Express rose 1.3%. Investors watched spending data as U.S. stocks traded mixed ahead of major tech earnings.
4 February 2026
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AppLovin stock tumbles 14% as AI disruption jitters hit ad tech ahead of Feb 11 earnings

AppLovin stock tumbles 14% as AI disruption jitters hit ad tech ahead of Feb 11 earnings

AppLovin shares fell 13.7% to $398.51 Wednesday amid a broad sell-off in software and ad-tech stocks after Anthropic launched new AI plug-ins. The stock swung between $464.17 and $384.24 during the session. The S&P 500 software and services index has dropped nearly 13% over five sessions. AppLovin will report Q4 and full-year 2025 earnings on Feb. 11.
4 February 2026
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IBM stock price slides again as AI disruption fears hit software, IT services

IBM stock price slides again as AI disruption fears hit software, IT services

IBM shares fell $9.19, or 3.1%, to $285.12 Wednesday amid heightened concerns over AI competition and a weak outlook from Gartner. The selloff followed Anthropic’s launch of new AI tools and a sharp drop in Gartner’s consulting revenue. Investors are watching IBM’s upcoming earnings and February dividend record date. U.S. equities also declined Tuesday as tech sector worries spread.
4 February 2026
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Teradyne stock slides after AI-driven outlook rally — what traders watch next

Teradyne stock slides after AI-driven outlook rally — what traders watch next

Teradyne shares fell about 4% to $271.69 by midday Wednesday, pulling back after a surge on strong quarterly results and an upbeat Q1 forecast. The company reported Q4 revenue of $1.083 billion and projected Q1 revenue between $1.15 billion and $1.25 billion. CEO Greg Smith cited AI-driven demand as a key growth factor. Teradyne will present at SEMICON Korea on Feb. 11 and the Chiplet Summit on Feb. 17.
4 February 2026
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Intuit stock price whipsaws in New York trade as AI disruption fears hit software names

Intuit stock price whipsaws in New York trade as AI disruption fears hit software names

Intuit shares closed up 0.5% at $436.13 after swinging between $411.48 and $447.00 Wednesday, while software stocks broadly fell on concerns over AI competition. Traders cited Anthropic’s new AI plug-ins as fueling fears of faster automation. The S&P 500 software and services index declined, despite the broader S&P 500 hitting a record. Investors await Intuit’s Feb. 26 earnings for signs of shifting demand and pricing power.
4 February 2026
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Applied Materials stock slides 6% as chip tools sink; Wall Street eyes earnings and AI jitters

Applied Materials stock slides 6% as chip tools sink; Wall Street eyes earnings and AI jitters

Applied Materials shares fell 6% to $299.39 in late-morning trading, leading losses among chip equipment makers as the sector dropped. Lam Research slid 7.7%, ASML lost 3.4%, and KLA fell 2.1%. The declines followed renewed concerns about AI-driven demand and a weak outlook from Advanced Micro Devices. Investors are watching for Applied’s next results on Feb. 12 for signs of customer spending trends.
4 February 2026
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Texas Instruments stock price slips as TXN chases $7.5 billion Silicon Labs deal — what to watch next

Texas Instruments stock price slips as TXN chases $7.5 billion Silicon Labs deal — what to watch next

Texas Instruments shares fell 0.9% to $223.18 late morning after announcing a $7.5 billion deal to buy Silicon Labs at a 69% premium. The acquisition, expected to close in 2027, will be financed with debt and includes termination fees of $259 million for Silicon Labs and $499 million for Texas Instruments. Silicon Labs shares jumped 51% in premarket trading. Investors weighed the high price and execution risks.
4 February 2026
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Stock Market Today

Montage Technology Class A stock slides — traders now fixate on its Hong Kong debut

Montage Technology Class A stock slides — traders now fixate on its Hong Kong debut

8 February 2026
Montage Technology’s Shanghai-listed shares fell 2.74% to 163.54 yuan Friday, extending losses before its Hong Kong debut. The company priced its H-share sale at HK$106.89, raising about HK$6.90 billion. Hong Kong’s public tranche was 707 times subscribed. In grey market trading, shares traded around HK$152.5, 43% above the offer price.
Suzhou TFC Optical (300394.SZ) stock: 3 signals to watch before China’s short, pre-holiday week

Suzhou TFC Optical (300394.SZ) stock: 3 signals to watch before China’s short, pre-holiday week

8 February 2026
Suzhou TFC Optical closed up 0.4% at 252.97 yuan Friday after heavy trading and sharp swings, ranking as the No. 2 most-traded Shenzhen stock via Stock Connect. Margin financing and securities lending fell, with net margin selling of 419 million yuan. Shanghai and Shenzhen markets will close Feb. 16–23 for the Spring Festival. The company expects 2025 net profit to rise 40–60% year-on-year.
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