The results ease investor concerns after Humana and rival UnitedHealth Group warned of a surge in demand for nonurgent surgeries and outpatient services.
Shares of Merck are down roughly 4% this year, with a market value of roughly $270 billion, making it the third largest pharmaceutical company based in the U.S.
Shares of Uber fell more than 5% on Tuesday after the company reported second-quarter results that missed analysts' expectations for revenue but offered rosy guidance.
Intel management has told investors that the company's turnaround will take time, and that it is aiming to match TSMC's chip-manufacturing prowess by 2026.
There was pressure on Ford to raise its guidance after crosstown rival General Motors raised its yearly guidance Tuesday for the second time this year.