Benzinga's Top Downgrades By: Benzinga via Benzinga June 16, 2015 at 09:24 AM EDT Analysts at Suntrust downgraded Avalanche Biotechnologies Inc (NASDAQ: AAVL) from Buy to Neutral. Avalanche Biotechnologies' shares ... Read More >> Related Stocks: American International Group Greenbrier Companies Profire Energy Twitter, Inc. United Nat Foods