The 30-share Index, Sensex, which shed most of its gains in the previous trading hour, continued to trade positively.

Heavy selling action was seen in stocks including auto, realty and consumer durables, whereas FMCG, IT and banking gained.

At 12.14 p.m., the BSE Sensex lost 152.99 points at 12,829.18, while the broad-based NSE Nifty stood at 3,883.75, down 22.65 points.

The overall market breadth was mixed as it experienced 938 progressions as against 1319 declinations.

Major gainers in the 30-share index included Ranbaxy Laboratories (8.66%), ONGC (2.98%) and ITC (2.81%). Bharti Airtel, Satyam, Cipla, HDFC, L&T and RIL were among the other gainers.

In contrast, the losers’ list included DLF, Tata Motors and M&M fell more than 3% each. Reliance Comm, NTPC, Jaiprakash Associates, ACC also slipped.