Mumbai, Oct. 21 -- Indian equity benchmarks Sensex and Nifty opened higher on Wednesday, supported by optimism over a possible India-US trade deal, although elevated crude oil prices and US bond yields are expected to keep markets under pressure.

The BSE Sensex was trading at 74,423.79, up 570.89 points or 0.77 per cent, while the Nifty 50 rose 167.35 points or 0.73 per cent to 23,055.70 at the time of filing this report.

The Sensex opened at 74,337.93 against its previous close of 73,852.90, while the Nifty 50 opened at 23,016.00 against its previous close of 22,888.95.

Market sentiment remained cautious as Brent crude traded at USD 110.34 per barrel, up 1.43 per cent, while US equity futures showed a mixed trend. The Dow Jones future...