Benchmark equity indices Sensex and Nifty ended lower on Friday, snapping a three-day rally, dragged by metal, IT stocks and caution ahead of the Budget presentation on February 1.Fresh foreign fund outflows and weakness in the rupee also added to the bearish trend in the equity markets.Photograph: Danish Siddiqui/ReutersThe 30-share BSE Sensex declined 296.59 points or 0.36 per cent to settle at 82,269.78.During the day, it tumbled 625.34 points or 0.75 per cent to 81,941.03.The 50-share NSE Nifty dropped ...