Herbalife Ltd. (NYSE:HLF – Get Free Report) saw a significant growth in short interest in September. As of September 15th, there was short interest totalling 13,840,000 shares, a growth of 12.3% from the August 31st total of 12,320,000 shares. Based on an average trading volume of 1,550,000 shares, the short-interest ratio is currently 8.9 days. […]