New Delhi, Oct. 23 -- The Indian stock market benchmark indices, Sensex and Nifty 50, are likely to open higher on Thursday, amid optimism over India-US trade deal, and as indicated by the trends on the Gift Nifty.

The trends on Gift Nifty also indicate a huge gap-up start for the Indian benchmark index. The Gift Nifty was trading around 26,259 level, a premium of nearly 352 points from the Nifty futures' previous close.

On Tuesday, Indian stock market ended marginal higher in the special Diwali Muhurat trading session, with the benchmark Nifty 50 closing above 25,850 level.

The Sensex gained 62.97 points, or 0.07%, to close at 84,426.34, while the Nifty 50 settled 25.45 points, or 0.10%, higher at 25,868.60.

The stock market was clos...