Mumbai, Aug. 4 -- The key equity indices traded with modest gains in early afternoon trade. Market participants will closely monitor tariff developments and upcoming RBI's policy outcome. The Nifty traded above the 24,650 mark.

PSU Bank shares advanced after declining in the past three trading sessions.

At 12:25 IST, the barometer index, the S&P BSE Sensex advanced 300.75 points or 0.37% to 80,900.53. The Nifty 50 index gained 113.60 points or 0.47% to 24,680.40.

The broader market underperformed the frontline indices. The S&P BSE Mid-Cap index added 0.59% and the S&P BSE Small-Cap index rose 0.31%.

The market breadth was positive. On the BSE, 2,069 shares rose and 1,849 shares fell. A total of 206 shares were unchanged.

The Reserve ...