Benchmark Sensex declined by nearly 466 points on Friday in its second straight day of losses following selling in private banks and a weak trend in global markets.Photograph: Shailesh Andrade/ReutersThe 30-share BSE Sensex tanked 465.75 points or 0.55 per cent to settle at 83,938.71.During the day, it dropped 498.8 points or 0.59 per cent to 83,905.66.The 50-share NSE Nifty fell by 155.75 points or 0.60 per cent to 25,722.10. Foreign fund outflows, mixed corporate earnings and the lack of clarity on the US ...