Jerónimo Martins, SGPS, S.A. (OTCMKTS:JRONY – Get Rating) was the recipient of a significant increase in short interest during the month of March. As of March 31st, there was short interest totalling 800 shares, an increase of 700.0% from the March 15th total of 100 shares. Based on an average trading volume of 3,400 shares, […]