Today, Lyft's stock trades 80% lower at $15. The bulls retreated as its growth slowed, it racked up more losses, and it struggled to keep pace with its larger competitor, Uber ( UBER -0.24%). Uber's ...

Stocks sold off in Tuesday’s regular session, spurred by profit-taking in Big Tech names and worries about the Federal Reserve’s rate cuts.

Salesforce is quietly emerging as a force in the artificial intelligence (AI) landscape, and the company's next big opportunity could be worth trillions.