Equity benchmarks Sensex and Nifty opened on a volatile note on Wednesday as investors await directional cues from domestic as well as global markets.

After swinging 258 points in the opening session, the 30-share BSE index was trading 75.75 points or 0.19 per cent higher at 40,597.85. Similarly, the broader NSE Nifty advanced 29.90 points or 0.25 per cent to 11,919.30.

Bharti Airtel was the top gainer in the Sensex pack, rallying over 10 per cent, after the country’s second largest telecom operator reported its highest-ever quarterly consolidated revenue, helping it narrow losses in the July-September period.

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