Agios Pharmaceuticals (NASDAQ:AGIO) was downgraded by Zacks from a “neutral” rating to an “underperform” rating in a research report issued to clients and investors on Monday, Analyst Ratings News reports. Agios Pharmaceuticals Inc (NASDAQ:AGIO) stock performance was 2.84% in last session and finished the day at $46.74. Traded volume was 983,271 million shares in the last session and the average volume of the stock remained … Continue reading Biotech Unusual Volume: Agios Pharmaceuticals (NASDAQ:AGIO), OHR (NASDAQ:OHRP), La Jolla (NASDAQ:LJPC), Aastrom Biosciences (NASDAQ:ASTM)