Cassava Sciences, Biohaven And Other Big Stocks Moving Lower In Monday's Pre-Market Session

U.S. stock futures were higher this morning, with the Dow futures gaining more than 300 points on Monday.Shares of Cassava Sciences, Inc. SAVA fell sharply in today's pre-market trading after the company announced Simufilam did not show a significant reduction in cognitive or functional decline versus placebo in patients with mild-to-moderate Alzheimer’s disease in the ReThink-ALZ Phase 3 study.Cassava Sciences shares dipped 85.6% to $3.82 in the pre-market trading session.Here are some other stocks moving ...