Buffett's $1.57B bet on UNH sparks a 12% surge, lifting peers despite sector headwinds and recent struggles at the insurer.

But the rocket ride in the "first wave" of AI stocks may soon come to an end. The sharp upward trajectory of these stocks ...

U.S. stock market is showing a sharp split today. The Dow Jones Industrial Average climbed to fresh record highs, but the S&P ...