Publicis Groupe S.A. (OTCMKTS:PUBGY – Free Report) saw a large increase in short interest in the month of June. As of June 15th, there was short interest totalling 61,700 shares, an increase of 155.0% from the May 31st total of 24,200 shares. Based on an average trading volume of 147,500 shares, the short-interest ratio is […]