Shares of Grail, a maker of early-detection cancer screening tests, soared last week. Here are the key chart levels to watch.

Asian markets fluctuated Monday on fresh trade fears after Donald Trump's decision to impose huge tariffs on Colombia, in ...

US tech giants and Japan chipmaker stocks feel the heat as China's startup DeepSeek demonstrates that it doesn't need massive ...

US stock index futures also tumbled amid concerns DeepSeek’s AI models challenge US AI leadership. Read more at ...

In currencies, the dollar jumped 0.3% against the Chinese yuan in offshore trading, and rallied 0.4% versus the Aussie and 0.5% versus the New Zealand dollar, with the antipodean currencies tending to ...

Chinese startup DeepSeek’s eponymous AI assistant rocketed to the top of Apple Inc.’s iPhone download charts, stirring doubts in Silicon Valley about the strength of America’s lead in AI.