Why Piper Jaffray Is Upgrading Acadia Pharmaceuticals After A 25% Decline By: Benzinga via Benzinga August 27, 2015 at 15:06 PM EDT ACADIA Pharmaceuticals Inc. (NASDAQ: ACAD) shares are down by more than 25 percent since July 27 as compared to a 10.5 percent ... Read More >> Related Stocks: Acadia Pharmaceutica