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AI Technology News 5 February 2026 - 7 February 2026

Nebius (NBIS) stock jumps 16% into weekend as AI trade whipsaws; earnings next week in focus

Nebius (NBIS) stock jumps 16% into weekend as AI trade whipsaws; earnings next week in focus

Nebius shares jumped 16.6% to $86.10 on Friday, rebounding from a 10.3% drop Thursday. The company will report fourth-quarter and full-year 2025 results before the market opens on Feb. 12. U.S. jobs and inflation data are due next week after a delay from a government shutdown. Recent swings in Nebius stock followed volatility in AI-linked tech names after Alphabet’s spending update.
7 February 2026
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Microsoft (MSFT) stock snaps back above $399 after Stifel downgrade, AI spend in focus

Microsoft (MSFT) stock snaps back above $399 after Stifel downgrade, AI spend in focus

Microsoft shares rose 1.5% to $399.45 Friday, rebounding after a 5% drop Thursday triggered by Big Tech’s escalating AI spending plans. Stifel downgraded the stock, citing Azure capacity limits and higher AI costs, and cut its target to $392. Investors remain focused on whether surging capital outlays will squeeze margins before revenue growth materializes.
6 February 2026
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CoreWeave stock price jumps 18% as AI-spending trade rebounds; CRWV earnings date set

CoreWeave stock price jumps 18% as AI-spending trade rebounds; CRWV earnings date set

CoreWeave shares jumped 18.3% to $88.31 Friday, rebounding after two days of steep losses. Trading volume hit 27.7 million by 3 p.m. EST. The surge followed Amazon’s $200 billion data center spending plan and Nvidia’s recent $2 billion investment in CoreWeave. The company also launched its first brand campaign and unveiled a new customer testing lab.
6 February 2026
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Lumentum stock price rises again as AI optics backlog keeps Wall Street lifting targets

Lumentum stock price rises again as AI optics backlog keeps Wall Street lifting targets

Lumentum Holdings shares rose 3.7% to $523.28 Friday after reporting a 65% jump in fiscal Q2 revenue to $665.5 million and forecasting March-quarter revenue of $780–$830 million. The company’s optical-circuit-switch backlog now exceeds $400 million, with a major co-packaged optics order due in 2027. Analysts at Citi, Needham, and B. Riley raised price targets, citing strong AI-related demand.
6 February 2026
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Tesla stock price slides early as China AI training report and Europe sales warnings hit TSLA

Tesla stock price slides early as China AI training report and Europe sales warnings hit TSLA

Tesla shares fell 2.2% to $397.21 in early New York trading Friday after reports the company set up an AI training center in China. European data showed Volkswagen overtook Tesla as the top battery-electric vehicle seller in 2025, with Tesla registrations down 27%. U.S. lawmakers face renewed pressure to advance self-driving car legislation.
6 February 2026
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Coherent stock price: COHR whipsaws after earnings; AI data-center optics in focus

Coherent stock price: COHR whipsaws after earnings; AI data-center optics in focus

Coherent shares fell 0.8% to $209.24 in after-hours trading Thursday after a session marked by a 15% swing and heavy volume. The company reported fiscal Q2 revenue of $1.69 billion, above analyst expectations, and projected March-quarter revenue between $1.70 billion and $1.84 billion. Analysts raised price targets, but investor caution persists over margins and demand.
6 February 2026
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Lumentum stock price jumps after hours as AI optics orders keep NASDAQ:LITE in play

Lumentum stock price jumps after hours as AI optics orders keep NASDAQ:LITE in play

Lumentum Holdings shares jumped 8.4% to $504.42 in after-hours trading Thursday after reporting fiscal Q2 revenue of $665.5 million and GAAP earnings of $0.89 per share. The company disclosed an optical circuit switch backlog “well beyond $400 million” and a new co-packaged optics order for delivery in early 2027. Trading volume hit 8.5 million shares. Investors await further guidance at Lumentum’s March 17 briefing.
6 February 2026
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Nvidia stock wobbles as AI spending jitters return — what NVDA traders are watching next

Nvidia stock wobbles as AI spending jitters return — what NVDA traders are watching next

Nvidia shares fell 0.7% to $173.04 Thursday after a sharp tech selloff and fresh concerns over AI chip valuations. Wall Street remains cautious ahead of Nvidia’s Feb. 25 earnings, with investors watching for updates on China licensing and supply. OpenAI is reportedly dissatisfied with some Nvidia chips and may seek alternatives. Talks continue over a possible $20 billion Nvidia investment in OpenAI’s next funding round.
5 February 2026
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Lumentum stock whipsaws as AI-linked outlook meets a choppy tape

Lumentum stock whipsaws as AI-linked outlook meets a choppy tape

Lumentum shares rose 0.7% to $468.58 Thursday morning after swinging nearly 16% between $426.84 and $504. The company reported fiscal Q2 revenue of $665.5 million and forecast Q3 revenue up to $830 million, citing strong demand for optical circuit switches and a large co-packaged optics order. Analysts raised price targets sharply after the update. About 3.5 million shares traded by 10:37 a.m. EST.
5 February 2026
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