Levi & Korsinsky is investigating potential claims on behalf of purchasers of Active Power Inc. (“ACPW” or the “Company”) (NasdaqCM:ACPW) stock. For more information, click here: http://zlk.9nl.com/active-power-acpw/. On April 30, 2013, ACPW announced that it had entered into a partnership agreement with Digital China Information Service Limited, “the largest IT solutions provider in China.” Then on September 5, 2013, ACPW retracted its guidance for the third quarter ending September 30, 2013 and stated that the “previously announced agreement in China is with Qiyuan Network System Limited,” a company unrelated to Digital China Information Service Company Limited. On this news, shares of ACPW stock declined $0.48 per share, or 13.71%, to close on September 6, 2013 at $3.02 per share. If you own ACPW stock and wish to obtain additional information about the investigation and your legal rights please contact Joseph E. Levi, Esq. either via email at email@example.com or by telephone at (212) 363-7500, toll-free: (877) 363-5972, or visit http://zlk.9nl.com/active-power-acpw/. Levi & Korsinsky is a national firm with offices in New York, New Jersey, and Washington D.C. The firm has extensive expertise in prosecuting securities litigation involving financial fraud, representing investors throughout the nation in securities and shareholder lawsuits. For more information, please feel free to contact any of the attorneys listed below. Attorney advertising. Prior results do not guarantee similar outcomes.