Short Interest in National Grid Transco, PLC (NYSE:NGG) Decreases By 40.1%

National Grid Transco, PLC (NYSE: NGG - Get Free Report) was the recipient of a significant decline in short interest in the month of March. As of March 31st, there was short interest totaling 994,540 shares, a decline of 40.1% from the March 15th total of 1,661,641 shares. Based on an average daily trading volume, of