(Updated - September 9, 2015 7:14 AM EDT)

Cantor Fitzgerald downgraded Tetraphase Pharmaceuticals (NASDAQ: TTPH) from Buy to Hold ...

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Analyst Comments Downgrades

Nomura Securities Downgrades Tetraphase Pharmaceuticals (TTPH) to NeutralSeptember 9, 2015 8:06 AM Stifel Downgrades Tetraphase Pharmaceuticals (TTPH) to HoldSeptember 9, 2015 8:01 AM SunTrust Downgrades Tetraphase Pharmaceuticals (TTPH) to NeutralSeptember 9, 2015 8:00 AM Guggenheim Cuts Price Target on Tetraphase Pharma (TTPH) Following Disappointing cUTI Data. September 9, 2015 7:57 AM Needham & Company Downgrades Tetraphase Pharmaceuticals (TTPH) to HoldSeptember 9, 2015 7:40 AM Brean Capital Downgrades Tetraphase Pharmaceuticals (TTPH) to HoldSeptember 9, 2015 7:32 AM Baird Downgrades Tetraphase Pharmaceuticals (TTPH) to NeutralSeptember 9, 2015 7:30 AM Wedbush Downgrades Tetraphase Pharmaceuticals (TTPH) to NeutralSeptember 9, 2015 7:20 AM Tetraphase Pharma's (TTPH) IGNITE2 Phase 3 Missed Primary Endpoint in cUTISeptember 8, 2015 4:02 PM Tetraphase Announces Top-Line Results From IGNITE2 Phase 3 Clinical Trial of Eravacycline in cUTISeptember 8, 2015 4:01 PM