Benzinga's Top Downgrades By: Benzinga via Benzinga September 09, 2015 at 09:16 AM EDT Analysts at Nomura downgraded Tetraphase Pharmaceuticals Inc (NASDAQ: TTPH) from Buy to Neutral. The target price for Tetraphase ... Read More >> Related Stocks: Approach Res. Inc Finisar Corp Jabil Circuit Terex Corp Tetraphase Pharmaceu