Vontobel Holding AG (OTCMKTS:VONHF – Get Free Report) was the target of a large decrease in short interest in May. As of May 15th, there was short interest totalling 15,900 shares, a decrease of 66.7% from the April 30th total of 47,800 shares. Based on an average daily volume of 100 shares, the days-to-cover ratio […]