Mumbai, July 15 -- The key equity benchmarks continued to trade with significant gains in mid-morning trade, supported by sustained buying interest and favourable domestic data. Investors continued to monitor domestic economic indicators, tariff-related developments, and corporate earnings announcements. Nifty surged above the 25,200 level.

Auto stocks jumped for the second consecutive trading session.

At 11:25 IST, the barometer index, the S&P BSE Sensex advanced 409.48 points or 0.50% to 82,663.40. The Nifty 50 index added 131.85 points or 0.53% to 25,214.45.

In the broader market, the S&P BSE Mid-Cap index rose 0.48% and the S&P BSE Small-Cap index added 0.85%.

The market breadth was strong. On the BSE, 2,601 shares rose and 1,167 ...