Lifshitz & Miller LLP Announces Investigation of American Express Company, GDS Holdings Limited, Lannett Company, Inc., Mednax, Inc., Menlo Therapeutics Inc., Papa John's International, Inc., Tetraphase Pharmaceuticals, Inc. and Zion Oil & Gas, Inc.

Lannett Company, Inc. (LCI)

Lifshitz & Miller announces investigation into possible securities laws violations in connection with failing to adequately disclose the risk of losing an exclusivity agreement with JSP.

If you are a Lannett investor, and would like additional information about our investigation, please complete the Information Request Form or contact Joshua Lifshitz, Esq. by telephone at (516)493-9780 or e-mail at info@jlclasslaw.com.

Mednax, Inc. (MD)

Lifshitz & Miller announces investigation into possible securities laws violations in connection with the Company's report that any future anesthesiologist acquisitions were unlikely, citing "challenging" payor mix."

If you are a Mednax investor, and would like additional information about our investigation, please complete the Information Request Form or contact Joshua Lifshitz, Esq. by telephone at (516)493-9780 or e-mail at info@jlclasslaw.com.

Menlo Therapeutics Inc. (MNLO)

Lifshitz & Miller announces investigation into possible securities laws violations in connection with the Company's Phase 2 clinical trial of serlopitant not meeting its primary or key secondary efficacy endpoints.

If you are a Menlo investor, and would like additional information about our investigation, please complete the Information Request Form or contact Joshua Lifshitz, Esq. by telephone at (516)493-9780 or e-mail at info@jlclasslaw.com.

Papa John's International, Inc. (PZZA)

Lifshitz & Miller announces investigation into possible securities laws violations in connection with allegations of misconduct by the Company's former Chairman.

If you are a Papa John's investor, and would like additional information about our investigation, please complete the Information Request Form or contact Joshua Lifshitz, Esq. by telephone at (516)493-9780 or e-mail at info@jlclasslaw.com.

Tetraphase Pharmaceuticals, Inc. (TTPH)

Lifshitz & Miller announces investigation into possible securities laws violations in connection with the announcement that TTPH did not plan to further evaluate its eravacycline clinical trial.

If you are a Tetraphase investor, and would like additional information about our investigation, please complete the Information Request Form or contact Joshua Lifshitz, Esq. by telephone at (516)493-9780 or e-mail at info@jlclasslaw.com.

Zion Oil & Gas, Inc. (ZN)

Lifshitz & Miller announces investigation into possible securities laws violations in connection with ZN receiving a SEC subpoena.

If you are a Zion investor, and would like additional information about our investigation, please complete the Information Request Form or contact Joshua Lifshitz, Esq. by telephone at (516)493-9780 or e-mail at info@jlclasslaw.com.

ATTORNEY ADVERTISING. © 2018 Lifshitz & Miller LLP.  The law firm responsible for this advertisement is Lifshitz & Miller LLP, 821 Franklin Avenue, Suite 209, Garden City, New York 11530, Tel: (516)493-9780.  Prior results do not guarantee or predict a similar outcome with respect to any future matter.

Contact:

Joshua M. Lifshitz, Esq.
Lifshitz & Miller LLP
Phone:  516-493-9780
Facsimile: 516-280-7376
Email: info@jlclasslaw.com

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