The benchmark indices trimmed gains in early afternoon trade as investors booked profits at higher levels. At 12:20 IST, the barometer index, the S&P BSE Sensex, jumped 495.89 points or 0.98% at 51,227.52. The Nifty 50 index spurted 149.60 points or 1% at 15,073.85. The Sensex hit a record high of 51,472.68 and the Nifty hit a record high of 15,133 in morning trade. In the broader market, the S&P BSE Mid-Cap index rose 1.44% while the S&P BSE Small-Cap index gained 1.56%. The market breadth was strong. On the BSE, 1,740 shares rose and 1,046 shares fell. A total of 182 shares were unchanged. ...