Mumbai, June 9 -- The key equity indices ended with modest gains today, extending their winning streak to a fourth session, supported by the Reserve Bank of India's unexpected policy easing and upbeat global cues. The Nifty ended a tad above the 25,100 level. Barring the Nifty Realty index, all the other sectoral indices on the NSE ended in green.

As per provisional closing data, the barometer index, the S&P BSE Sensex, added 256.22 points or 0.31% to 82,445.21. The Nifty 50 index rose 100.15 points or 0.40% to 25,103.20. In the past four trading sessions, the Sensex and Nifty advanced by 2.12% and 2.28%, respectively.

The broader market outperformed the frontline indices. The S&P BSE Mid-Cap index rose 1.03% and the S&P BSE Small-Cap i...