US stocks move higher as investors weigh company earnings

U.S. stock indexes moved mostly higher in early trading Tuesday as investors pored through the latest batch of company earnings.

Mining and energy companies were among the biggest gainers, while technology stocks lagged the most.

Netflix's first-quarter revenue also fell short of Wall Street's expectations.

UnitedHealth Group added 2.3 after health insurance company raised its guidance for the year and reported strong results for the first quarter.

CTRL-ALT-DEL: IBM slid 4.9 percent after the company delivered improved first-quarter earnings thanks to a big tax refund, but also lower revenue amid weaker software sales.

Upbeat economic data and a rebound in oil prices lifted European markets.