Mumbai: A key index of the Indian equities markets closed 256 points (1.61 percent) lower Monday ending a seven-day rally as investors booked profits. The 30-scrip sensitive index (Sensex) of the Bombay Stock Exchange (BSE), which opened at 15,812.15 points, ended at 15,666.64 points, down 255.70 points or 1.61 percent. The stock for 52-week chart is given on left. The broader-based Nifty of the National Stock Exchange (NSE) closed lower at 4,658.3 points, down 1.56 percent. Broader market indices, however, managed to close in the green, with the BSE midcap index closing 0.21 percent higher and the BSE smallcap index ending 0.41 percent up. IT, metal and oil and gas stocks trended lower today. The BSE IT index fell 2.3 percent and the BSE metal index dropped 2.2 percent. Infosys, TCS, Wipro and HCL Tech fell over two percent each. Welspun Gujarat, Tata Steel and Hindalco were the biggest losers in the metal space. The stocks fell over 3 per cent each.