Two of the most covered stocks this year are Palantir and UnitedHealth Group, but the reasons why couldn't be further apart.

A significant influence on a stock price, at least over the short term, is how a company's quarterly earnings are perceived.

UnitedHealth Group ($UNH) is drawing attention from traders after a spike in call option activity and notable insider buying.

UnitedHealth Group (NYSE: UNH) is all those things. Shares of UnitedHealth Group have plunged more than 50% below the peak ...