Equity benchmark index Sensex jumped over 770 points while Nifty was trading above the 25,900 level in afternoon trade on Wednesday driven by a flurry of buying by investors across sectors amid a rally in Asian markets.

Besides, traders said optimism over an impending India-US trade deal and progress towards ending a prolonged US government shutdown bolstered investor sentiment.

The 30-share BSE Sensex benchmark zoomed 773.64 points, or 0.92 per cent, to 84,644.96 at 13:20 hours in afternoon trade. On the similar lines, the NSE Nifty rallied by 231.8 points, or 0.90 per cent to 25,926.75.

Buying in blue-chip counters such as Reliance Industries, Infosys and Bharti Airtel further supported the indices, they added.

From the Sensex pack, Tech Mahindra, Tata Consultancy Services, Reliance

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