Key indices erased intraday gains and sink in negative zone in mid-morning trade. At 11:23 IST, the barometer index, the S&P BSE Sensex, was down 6.37 points or 0.02% at 36,311.96. The Nifty 50 index was down 3.90 points or 0.04% at 10,882.90. Most FMCG stocks declined.
