Fitbit (NYSE:FIT) saw a significant growth in short interest in the month of March. As of March 31st, there was short interest totalling 34,271,160 shares, a growth of 8.7% from the March 15th total of 31,525,031 shares, MarketBeat.Com reports. Approximately 35.9% of the shares of the company are sold short. Based on an average daily […]