Publicis Groupe S.A. (OTCMKTS:PUBGY – Get Free Report) saw a significant increase in short interest in September. As of September 15th, there was short interest totalling 9,800 shares, an increase of 145.0% from the August 31st total of 4,000 shares. Based on an average daily trading volume, of 66,000 shares, the short-interest ratio is currently […]