PetroChina Company Limited (OTCMKTS:PCCYF – Get Free Report) was the recipient of a significant growth in short interest during the month of May. As of May 15th, there was short interest totalling 21,349,800 shares, a growth of 16.6% from the April 30th total of 18,311,900 shares. Based on an average trading volume of 52,800 shares, […]