SNAP: 31% | Snap shares are trading higher after the company reported better-than-expected Q1 financial results and issued Q2 revenue guidance above estimates. Also, the company reported a year-over-year increase in Q1 daily active users.

SLCA: 21% | U.S. Silica Holdings shares are trading higher after the company reported Q1 financial results and entered into a definitive agreement to be acquired by funds managed by affiliates of Apollo.

GOOG: 16% | Alphabet Board Authorized Repurchase Of Additional $70B Of Class A And Class C Shares. Also, multiple firms raised their respective price targets on the stock.