Indian equity indices snapped a two-day gaining streak and ended in the red on Wednesday as selling was seen in the large-cap stocks like Infosys, ICICI Bank, Kotak Mahindra Bank, M&M, SBI, and HCL Tech. At closing, Sensex was down 426 points, or 0.53 per cent, at 79,942 and Nifty was down 126 points, or 0.51 per cent, at 24,340.