Palantir spiked Tuesday, leading a tech rally, but it's still a roller-coaster market. Google dived on mixed earnings.

Calm returned to Wall Street, and tech stocks led U.S. indexes higher after a strong profit report from Palantir Technologies ...

Small caps also performed well, with the Russell 2000 adding 1.4%. It remained below its 50-day line but at least closed back above its 21-day exponential moving average. Volume f ...

The table below lists the S&P 500's top sectors by weighting as of Jan. 27, 2025. The information technology, financials, health care, and consumer discretionary sectors carry a cumulative weight of ...

Yahoo Finance will chronicle the latest news and updates on Trump's tariffs — from the threats to the eventual policy.