The 30-share BSE Sensex climbed 317.93 points or 0.41 per cent to settle at 77,606.43 amid the monthly derivative contracts expiry day. During the day, it surged 458.96 points or 0.59 per cent to 77,747.46. The 30-share BSE Sensex climbed 317.93 points or 0.41 per cent to settle at 77,606.43 amid the monthly derivative contracts expiry day. During the day, it surged 458.96 points or 0.59 per cent to 77,747.46. Zee News :Business