Mumbai, Aug. 12 -- The key equity indices ended a volatile session with modest losses today. Market participants will closely track FII activity, while awaiting CPI data, scheduled for later today. The Nifty closed below 24,500 level.

Private bank, realty and consumer durables shares decline while pharma, media and auto shares advanced.

As per provisional closing data, the barometer index, the S&P BSE Sensex declined 368.49 points or 0.46% to 80,235.59. The Nifty 50 index fell 97.65 points or 0.40% to 24,487.40.

In the broader market, the S&P BSE Mid-Cap index shed 0.25% and the S&P BSE Small-Cap index rose 0.04%.

Market breadth was positive. On the BSE, 2,076 stocks fell, 1,968 advanced, while 160 remained unchanged.

The NSE's Indi...