 Flaherty Crumrine Preferred Income Fund Inc. NYSE:PFD was the recipient of a significant increase in short interest in September. As of September 30th, there was short interest totalling 27,600 shares, an increase of 487.2 from the September 15th total of 4,700 shares. Based on an average daily trading volume, of 22,800 shares, the days-to-cover ... 