Iberdrola, S.A. (OTCMKTS:IBDSF – Get Free Report) was the recipient of a significant growth in short interest in the month of December. As of December 15th, there was short interest totalling 1,724,700 shares, a growth of 93.2% from the November 30th total of 892,700 shares. Based on an average trading volume of 226,600 shares, the […]