New Delhi, Sept. 30 -- The Indian stock market took a sharp U-turn to trade lower on Wednesday, with the Sensex and Nifty slipping as selling pressure resumed following a brief recovery. The decline came despite gains in select sectors and continued selling by foreign investors.

During the intraday session, Sensex fell more than 100 points, while the Nifty slipped below the 22,650 mark. Sectoral weakness was pronounced in healthcare and pharmaceutical stocks, which came under heavy selling pressure and weighed on the broader market sentiment.

However, both indices had opened higher on September 30 after witnessing a sell-off in the previous two sessions. In early trade, the Nifty 50 gained 0.2% to 22,762, while the BSE Sensex rose 0.46%...