UnitedHealth shares clocked the largest one-day percent increase since March 2020, as tracked by Dow Jones Market Data Group.

The backdrop favored the small-cap Russell 2000 index RUT, which gained 3.1% in the past week. The S&P 500 gained 0.9% and the Nasdaq Composite Index COMP rose 0.8%, while the Dow DJIA jumped 1.7% for ...

Stocks traded mixed on Friday even as major indexes tallied another strong week. Investors were eyeing a meeting between ...