IonQ agrees to buy the venture-backed start-up in a deal expected to bolster its quantum cybersecurity portfolio.

With U.S. stock markets set to open in two hours, Westlake Corp. WLK -0.03% (WLK) was up 15.2% in pre-market trading, and Core & Main Inc. CNM -0.05% (CNM) was up 6.0%.

Anthropic may well be the unnamed frontier AI lab that IREN said it had signed a cloud contract with when it reported ...

Good morning and welcome to the start of another week. Markets are in a cautious mood ahead of earnings, which could make or ...

This past week, SpaceX bought more wireless spectrum, brining the company closer to forming a fourth mobile wireless company ...

Micron, SK Hynix, and Samsung stocks take a hit as CXMT advances development of a new chip that can store more data.

Micron and SK Hynix stocks fall after good news for Chinese rival CXMT, while Iren jumps following a report of a deal with Anthropic.

Wall Street is bracing for what could be one of the most important earnings seasons in years over the coming weeks, as ...

Amazon.com AMZN +3.29% is discussing a deal to acquire Decart, an artificial intelligence start-up whose software allows ...

The New York Stock Exchange and the Nasdaq Stock Market will both be open during regular hours on Columbus Day, but bond ...

Big bank earnings arrive, with Citi, Goldman Sachs, JPMorgan Chase, and more reporting. Consumer and producer price indexes and existing home sales data will provide a read on the economy.

Some 130 French high schools remained closed on Monday, the education ministry said, with authorities hoping the protest movement that has rocked the nation in recent weeks would ease ahead of ...