Wall Street’s concerns about capex and free cash flow for Big Tech now outweigh optimism regarding cloud performance.

ARK Invest bought about 160,000 shares of Tesla stock on Thursday, as shares of the EV maker plunged almost 15%.

The Nvidia CEO pens an open letter in support of the open-weight artificial-intelligence models competing with OpenAI and ...

Elon Musk’s company is set to test its huge, fully reusable Starship, the largest rocket-launch system ever built by humans.

The legal battle between Novo Nordisk and Eli Lilly is escalating, but analysts are more focused on developments in the lab.

Nvidia Stock Has Been a Chip Stock Outperformer in July. Why Its Rally Is at Risk. Nvidia NVDA -2.21% stock has been a rare ...

Micron stock and SK Hynix stock slipped lower early Friday but remain well-positioned for gains amid Big Tech earnings that ...

Charter Earnings Beat Estimates. Subscriber Losses Suggest a Bleak Future for Cable. Charter Communications CHTR +0.56% stock ...

Artificial intelligence and data centers hog the publicity, but investors should pay attention to a less-noticed boom in ...

SLB stock advances Friday after the oilfield services company’s second-quarter earnings top Wall Street expectations.

Medical-device stocks were already one of this year’s worst sectors when they were walloped by disclosures from ...