Indian equity indices ended on a negative note with Nifty below 25,900 on November 18. At close, the Sensex was down 277.93 points or 0.33 percent at 84,673.02, and the Nifty was down 103.40 points or 0.40 percent at 25,910.05. About 1393 shares advanced, 2632 shares declined, and 131 shares unchanged.