NEW YORK, NY / ACCESSWIRE / March 21, 2017 / Pomerantz LLP is investigating claims on behalf of investors of Omnicom Group Inc. ("Omnicom" or the "Company") (NYSE: OMC). Such investors are advised to contact Robert S. Willoughby at rswilloughby@pomlaw.com or 888-476-6529, ext. 9980.

The investigation concerns whether Omnicom and certain of its officers and/or directors have engaged in securities fraud or other unlawful business practices.

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On December 6, 2016, The Wall Street Journal reported that the U.S. Department of Justice was investigating possible price-fixing in video-advertising production, naming Omnicom as a possible "subject of the government's inquiry." On this news, Omnicom's share price fell $1.79, or 2.08%, to close at $84.26 on December 6, 2016. On December 16, 2016, Omnicom acknowledged that two of its subsidiaries had received subpoenas in connection with the investigation.

On this news, Omnicom's share price fell $1.84, or 2.09%, to close at $86.18 on December 16, 2016.

The Pomerantz Firm, with offices in New York, Chicago, Florida, and Los Angeles, is acknowledged as one of the premier firms in the areas of corporate, securities, and antitrust class litigation. Founded by the late Abraham L. Pomerantz, known as the dean of the class action bar, the Pomerantz Firm pioneered the field of securities class actions. Today, more than 80 years later, the Pomerantz Firm continues in the tradition he established, fighting for the rights of the victims of securities fraud, breaches of fiduciary duty, and corporate misconduct. The Firm has recovered numerous multimillion-dollar damages awards on behalf of class members. See www.pomerantzlaw.com.

SOURCE: Pomerantz LLP