Cassava Sciences Today SAVA Cassava Sciences $26.52 -0.21 (-0.79%) 52-Week Range $8.79 ▼ $42.20 Price Target $111.50 Add to Watchlist Cassava Sciences Inc. NASDAQ: SAVA is a biotech developing treatments for Alzheimer's disease. The company has a lot of controversy over its lead drug, simufilam, which attempts to go further than alleviate symptoms but actually modify the underlying biology of the disease. While the concept sounds fascinating, the problems for the medical sector company lie in the credibilit ...