Mumbai, Dec. 4 -- Key equity indices posted modest gains today, breaking a four-day losing streak. Sentiment, however, remained fragile as the weak rupee, steady FII outflows and uncertainty ahead of the RBI's policy decision kept investors cautious. Volatility increased due to the weekly derivatives expiry, while firm crude prices added pressure by stoking concerns over higher import costs and inflation. Traders also monitored Russian President Vladimir Putin's India visit on 4 and 5 December. The Nifty held above 26,000, supported by strength in IT and FMCG stocks.

The S&P BSE Sensex, advanced 158.51 points or 0.19% to 85,265.32. The Nifty 50 index added 47.75 points or 0.18% to 26,033.75. In the past four trading sessions, the Nifty a...