Mumbai, Sept. 2 -- The key equity benchmarks traded in narrow range with moderate gains in mid-morning trade, supported by robust GST collection in August. The market witnessed optimism ahead of the GST council meeting scheduled later this week. Investors are closely tracking developments on U.S. tariff measures, FII outcome and monthly auto sales data. The Nifty traded above 24,700 level.

Realty shares witnessed buying demand for second consecutive trading session.

At 11:25 IST, the barometer index, the S&P BSE Sensex gained 299.57 points or 0.37% to 80,661.38. The Nifty 50 index rose 94.60 points or 0.38% to 24,719.65.

The broader market outperformed the frontline indices. The S&P BSE Mid-Cap index jumped 0.56% and the S&P BSE Small-...