Equity benchmark indices Sensex and Nifty surged on Friday in line with a global market rally amid rising hopes that the US Federal Reserve will cut interest rates next week.Photograph: ANI PhotoOptimism over a successful conclusion of India-US trade talks has also fuelled a rally in markets.Rallying for the fifth day in a row, the 30-share BSE Sensex jumped 355.97 points or 0.44 per cent to settle at 81,904.70. During the day, it surged 444.12 points or 0.54 per cent to 81,992.85.The 50-share NSE Nifty ral ...