The BSE Sensex slumped 456 points on Wednesday, tracking losses in index majors Reliance Industries, Infosys and ICICI Bank as market participants continued to book profits at high levels. The 30-share index ended 456.09 points or 0.74 per cent lower at 61,259.96. Similarly, the NSE Nifty dropped 152.15 points or 0.83 per cent to 18,266.60.
