SPDR S&P Telecom ETF (NYSEARCA:XTL – Get Free Report) saw a significant increase in short interest in May. As of May 29th, there was short interest totaling 108,774 shares, an increase of 68.0% from the May 14th total of 64,754 shares. Based on an average daily trading volume, of 80,934 shares, the short-interest ratio is [...]