National Bank of Greece S.A. (OTCMKTS:NBGIF – Get Rating) was the recipient of a significant decrease in short interest in May. As of May 31st, there was short interest totalling 253,200 shares, a decrease of 23.8% from the May 15th total of 332,100 shares. Based on an average daily trading volume, of 18,100 shares, the […]