San Diego, Mar. 01, 2012 (Shareholders Foundation) -- An investigation on behalf of investors in shares of Vocus, Inc. (NASDAQ:VOCS) over potential securities laws violations by certain officers and directors at Vocus was announced.

The investigation by a law firm focuses on possible claims on behalf of purchasers of the securities of Vocus, Inc. (NASDAQ:VOCS) concerning whether the company, certain of its officers and directors, or others have possibly violated federal securities laws. Specifically, the investigation concerns whether certain statements Vocus business, its prospects and its operations were potentially materially false and misleading at the time they were made.

Shares of Vocus, Inc. (NASDAQ:VOCS) rose from as low as slightly above $12 in March 09 to as high as over $31 per share in July 2011. Then NASDAQ:VOCS shares dropped in the second half of 2011 to as low as $15.95 per share on October 3, 2011. However Vocus Inc shares managed to close 2011 at above $22 per share.

NASDAQ: VOCS shares increased in the first months in 2012 to over $24 per share.

However, then Vocus, Inc. shares dropped from $22.56 on Tuesday to $13.30 on Wednesday after Vocus, Inc. reported on Tuesday, February 28, 2012 its Fourth Quarter and Full Year 2011 Results.