Mumbai, Sept. 1 -- The headline equity indices traded with significant gains in the early-afternoon trade supported by strong domestic data including robust GDP data and upbeat manufacturing PMI data. The Nifty traded above the 24,550 mark.

Auto shares advanced after declining in the past three consecutive trading sessions.

At 12:30 IST, the barometer index, the S&P BSE Sensex advanced 433.04 points or 0.55% to 80,242.69. The Nifty 50 index added 146.05 points or 0.60% to 24,573.10.

The broader market outperformed the frontline indices. The S&P BSE Mid-Cap index jumped 1.18% and the S&P BSE Small-Cap index rose 0.97%.

The market breadth was strong. On the BSE, 2,646 shares rose and 1,361 shares fell. A total of 210 shares were unchang...