Benchmark indices Sensex and Nifty pared their losses but closed in the red for fourth straight session on October 23. Sensex ended 125.56 points or 0.17% lower at 73,123.83, and the Nifty ended 87.65 points or 0.39% lower at 22,600. About 797 shares advanced, 3,275 shares declined, and 114 shares were unchanged. Key factors behind partial market rebound Value buying emerged at lower levels as the indices already fell for three straight sessions.