The BSE Sensex and NSE Nifty hit record highs in early trading on Monday in broad-based gains as strong corporate earnings in the December quarter raised hopes of a quick economic recovery. The BSE Sensex touched a record high of 52,110.74 and the NSE Nifty hit 15,314.30 in early trading. At 10:05 am, the BSE Sensex was trading at 51,996.95, higher by 449.95 points or 0.87 per cent and the NSE Nifty was at 15,278.10, up 115.80 points or 0.77 per cent.