Cassava Sciences, Inc. (NASDAQ:SAVA – Get Free Report) shares were up 5.3% on Wednesday . The stock traded as high as $19.18 and last traded at $19.17. Approximately 525,500 shares were traded during mid-day trading, a decline of 45% from the average daily volume of 962,936 shares. The stock had previously closed at $18.20. Wall […]