Roblox shares down 20% after Q2 report

Shares of Roblox Corp (NYSE: RBLX) are down nearly 20% in extended trading on Tuesday after the videogame company reported weaker-than-expected bookings

Pfizer is acquiring Global Blood Therapeutics

Pfizer Inc (NYSE: PFE) has executed a definitive merger agreement with Global Blood Therapeutics Inc (NASDAQ: GBT), whereby Pfizer will acquire the biopharmaceutical corporation dedicated