Stifel Nicolaus upgraded shares of Tetraphase Pharmaceuticals, Inc. (NASDAQ:TTPH) from a hold rating to a buy rating in a research report report published on Wednesday, MarketBeat Ratings reports. The brokerage currently has $15.00 price objective on the biopharmaceutical company’s stock, up from their prior price objective of $8.00.

A number of other research analysts also recently issued reports on TTPH. BMO Capital Markets reissued a buy rating and set a $12.00 price objective on shares of Tetraphase Pharmaceuticals in a research report on Friday, May 5th. Zacks Investment Research downgraded shares of Tetraphase Pharmaceuticals from a hold rating to a sell rating in a research report on Wednesday, May 10th. Finally, HC Wainwright initiated coverage on shares of Tetraphase Pharmaceuticals in a research report on Tuesday, July 11th. They set a buy rating and a $15.00 price objective on the stock. Three analysts have rated the stock with a hold rating and three have issued a buy rating to the company. The company presently has an average rating of Buy and an average target price of $10.25.

Tetraphase Pharmaceuticals (TTPH) opened at 6.48 on Wednesday. Tetraphase Pharmaceuticals has a 52 week low of $3.11 and a 52 week high of $9.93. The company’s 50-day moving average is $7.45 and its 200 day moving average is $6.85. The company’s market capitalization is $245.95 million.

Tetraphase Pharmaceuticals (NASDAQ:TTPH) last issued its quarterly earnings data on Tuesday, May 2nd. The biopharmaceutical company reported ($0.79) earnings per share (EPS) for the quarter, missing the Zacks’ consensus estimate of ($0.60) by $0.19. The company had revenue of $1.48 million for the quarter, compared to analysts’ expectations of $1.46 million. Tetraphase Pharmaceuticals had a negative net margin of 1,932.24% and a negative return on equity of 60.55%. The firm’s revenue for the quarter was down 24.5% compared to the same quarter last year. During the same period in the previous year, the firm posted ($0.46) earnings per share. On average, analysts forecast that Tetraphase Pharmaceuticals will post ($2.65) EPS for the current fiscal year.

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Several hedge funds have recently made changes to their positions in TTPH. Wade G W & Inc. acquired a new stake in shares of Tetraphase Pharmaceuticals during the first quarter worth approximately $138,000. Teza Capital Management LLC boosted its stake in shares of Tetraphase Pharmaceuticals by 8.9% in the first quarter. Teza Capital Management LLC now owns 15,650 shares of the biopharmaceutical company’s stock worth $144,000 after buying an additional 1,281 shares during the period. Citadel Advisors LLC boosted its stake in shares of Tetraphase Pharmaceuticals by 18.6% in the first quarter. Citadel Advisors LLC now owns 15,924 shares of the biopharmaceutical company’s stock worth $146,000 after buying an additional 2,496 shares during the period. UBS Group AG boosted its stake in shares of Tetraphase Pharmaceuticals by 2.3% in the first quarter. UBS Group AG now owns 17,269 shares of the biopharmaceutical company’s stock worth $159,000 after buying an additional 387 shares during the period. Finally, Jane Street Group LLC acquired a new stake in shares of Tetraphase Pharmaceuticals during the first quarter worth approximately $181,000. Hedge funds and other institutional investors own 46.24% of the company’s stock.

Tetraphase Pharmaceuticals Company Profile

Tetraphase Pharmaceuticals, Inc is a clinical-stage biopharmaceutical company. The Company uses its chemistry technology to create antibiotics for multidrug-resistant infections. The Company is developing its lead product candidate, eravacycline, a fully synthetic tetracycline derivative, as a spectrum intravenous (IV) and oral antibiotic for use as a first-line empiric monotherapy for the treatment of multidrug-resistant infections, including multidrug-resistant gram-negative infections.

Analyst Recommendations for Tetraphase Pharmaceuticals (NASDAQ:TTPH)

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