US Stocks Rally With Boost From Microsoft’s Surge; Chips Jump

US stocks rose at the open on Thursday as Microsoft Corp. soared 16% after reporting the fastest cloud unit growth in four years. Top semiconductor companies, like Micron Technology Inc. and Nvidia Corp., gained as well.

The S&P 500 Index was up 1% at 9:49 a.m in New York, partially rebounding from a 1.5% drop on Wednesday. The Nasdaq 100 Index rose 2.7%, recovering after the tech-dominated stock gauge closed in correction territory in the prior session.

The Philadelphia Semiconductor Index climbed 7.0%, on track to end a five-day losing streak. The Roundhill Memory ETF advanced 11%. Earlier, Samsung Electronics Co. posted a 250-fold surge in chip profits and now expects memory shortages to worsen next year, reflecting the relentless pace of the global AI infrastructure buildout.

“The recent news of hyperscalers’ strong June-quarter earnings and future AI data center projects implies only good things for semiconductor demand,” Yardeni Research’s Ed Yardeni wrote in a Thursday note.

Next up on the earnings front: Apple Inc. and Amazon.com Inc. report after the bell. Apple is this year’s Big Tech stock market star, reclaiming the title of the world’s biggest company with a 24% rally in 2026. Only Apple and Nvidia’s market capitalizations top $5 trillion.

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In other earnings news, Meta Platforms Inc. fell 8.7% after reporting free cash flow fell to the lowest level since 2022, while raising the low end of its year forecasts for both capital expenditures and total expenses, adding to concerns about when spending on AI will translate into better growth. Qualcomm Inc. shed 4.3% after issuing a weak profit forecast.