BlackRock MuniYield California Quality Fund, Inc. (NYSE:MCA) was the target of a large increase in short interest in November. As of November 15th, there was short interest totalling 57,800 shares, an increase of 202.6% from the October 31st total of 19,100 shares. Based on an average trading volume of 55,000 shares, the days-to-cover ratio is […]