The Indian stock market closed in the red for the third consecutive day on Thursday, with the S&P BSE Sensex falling more than 100 points. The Nifty50 closed above 18100 levels. Sectors saw buying in banks and selling pressure in realty, power, oil & gas, and utilities. Stocks in focus include Jindal Saw, which rose more than 6%, Tech Mahindra, which fell 0.5%, and M&M, which dropped more than 1%.