Key benchmark indices are trading firm in early trade on buying demand in index pivotals. At 9:25 IST, the barometer index, the S&P BSE Sensex, was up 288.76 points or 0.55% at 52,674.95. The Nifty 50 index was up 83.90 points or 0.53% at 15,773.70. Upbeat Asian stocks boosted sentiment. The S&P BSE Mid-Cap index was up 0.63%. The S&P BSE Small-Cap index was up 0.93%. The market breadth, indicating the overall health of the market, is strong. On the BSE, 2090 shares rose and 574 shares fell. A total of 112 shares were unchanged. In economic data, the Industrial Production and Manufacturing Pr...