China Finance Online Co. Limited (NASDAQ:JRJC) saw a large increase in short interest in October. As of October 15th, there was short interest totalling 30,800 shares, an increase of 289.9% from the September 30th total of 7,900 shares. Approximately 7.0% of the shares of the stock are short sold. Based on an average trading volume of 611,900 shares, the days-to-cover ratio is currently 0.1 days. An institutional investor recently bought a new position in China Finance Online stock. HRT Financial LP bought a new position in shares of China Finance Online Co. Limited (NASDAQ:JRJC) in the 1st quarter, according to...