US stocks were mixed on Thursday in anticipation of Amazon's quarterly results, as investors assessed the earnings season so far and eyed President Donald Trump's fast-moving poli ...

Even small-cap and midcap stocks, which had previously trailed their large-cap peers since the bull market began, have been climbing in 2025. The small-cap focused Russell 2000 RUT had gained nearly 4 ...

Arm Holdings beat views, but tumbled late. That's after ARM stock, Nvidia and other AI chips rebounded Wednesday.

The efficiency gains of DeepSeek’s AI models startled the power industry, which is set to invest billions in electricity ...