Major U.S. indexes posted their sharpest declines in months, with the Nasdaq Composite down roughly 1.6%, the S&P 500 off 1.23%, and the Dow Jones Industrial Average lower by 1.2%. Losses centered on AI-driven pressure in software, softer labor signals, and valuation concerns tied to heavy AI spending. Friday's futures rose 0.5%–0.6% across benchmarks, suggesting tentative stabilization.

On February 5, 2026, Broadcom Inc. shares climbed 5.62% in premarket trading to $325.35 after Alphabet detailed sharply higher AI infrastructure spending. Google projected up to $185 billion in capital expenditures for 2026, nearly double the prior year, with significant funding earmarked for AI data centers and custom TPU chips built in partnership with Broadcom.

Novo Nordisk A/S unexpectedly pre-released its 2026 outlook late Tuesday, projecting a sales decline of 5% to 13%. As of 10:23 AM EST on February 4, 2026, shares were off about 18% in Copenhagen and the ADS traded at $47.60, down 5.37%. Analysts cited U.S. pricing pressure, patent expiries, and competition as key headwinds.

On February 4, 2026, AMD shares were down 7.12% to $224.88 in premarket trading after the company reported fourth-quarter 2025 results that topped forecasts. AMD posted $1.53 in EPS on $10.27 billion of revenue versus $1.32 and $9.67 billion expected, but its first-quarter 2026 revenue outlook of $9.8 billion, plus or minus $300 million, fell short of some investor hopes.

On February 3, 2026, PayPal shares fell more than 16% in premarket trading after the company reported fourth-quarter earnings and revenue that missed Wall Street forecasts and issued a downbeat 2026 profit outlook. The firm also said Enrique Lores will take over as CEO on March 1, 2026, as it struggles with slowing branded checkout growth, higher expenses and intensifying competition from major technology companies.

Rocket Lab (RKLB) climbed roughly 4% in premarket trading on February 3, 2026, after Elon Musk announced a merger between SpaceX and xAI valued at $1.25 trillion. At 7:27:19 AM EST, RKLB traded at $77.47, up $3.32 or 4.48% from the prior close. The news lifted broader space stocks as investors reacted to plans for space-based AI compute.

Merck, PepsiCo and Eaton have released their fourth-quarter and full-year 2025 financial results, showing differing levels of earnings and revenue outperformance versus forecasts. Merck met EPS expectations but beat on revenue, PepsiCo topped both metrics, and Eaton delivered slightly higher EPS in line with sales estimates while all three issued detailed 2026 outlooks.

Tyson Foods reported first-quarter 2026 results with adjusted EPS of $0.97 versus $0.93 expected and revenue of $14.31 billion versus $14.0 billion. The company also noted a 5.1% year-over-year sales increase and guided for fiscal 2026 sales growth of 2%–4% and adjusted operating income of $2.1 billion–$2.3 billion.

According to The Walt Disney Company, first‑quarter fiscal 2026 results topped forecasts with adjusted EPS of $1.63 versus $1.57 expected and revenue of $25.98 billion versus $25.62 billion. Revenue increased 5% year over year, from $24.7 billion to $26.0 billion, while total segment operating income declined 9% to $4.6 billion. Guidance includes about $500 million in Q2 SVOD operating income and double‑digit full‑year growth targets.