The Sensex opened at 75,216.22 and closed at 74,764.23, down 813.35 points, or 1.08%. The Nifty 50 opened at 23,522.05 and ended at 23,431.50, down 203.60 points, or 0.86%.

At 9:33 am, the BSE Sensex was down 612.09 points, or 0.80%, at 76,332.19. The index opened at 76,471.32 against Tuesday's close of 76,944.28. The Nifty 50 was down 228.45 points, or 0.95%, at 23,827.35.