U.S. stocks slightly up, Dow Jones gains 0.1%. Health care shares jump 2.8%, ON Semiconductor down 20%. Oil down 4%, gold up 1.2%, eurozone and Asian markets closed lower.

U.S. stocks rise with Dow gaining over 400 points. Energy stocks fall while healthcare shares surge. Paychex beats earnings expectations.

Stocks Mostly Higher as Oil Dives Toward Prewar Levels