India-US trade deal, Feb. 3 -- Indian stock markets witnessed a historic surge on Tuesday, February 3, delivering one of the strongest single-day rallies in recent memory after India and the U.S. announced the long-awaited trade deal. The breakthrough eased months of tariff uncertainty that had kept investor sentiment restrained and foreign flows cautious.

The benchmark BSE Sensex jumped more than 4,200 points, rising 5.1% to touch an intraday high of 85,871.73. The Nifty 50 climbed 1,252 points, or 5%, to 26,341.2 during the session.

Within the first 15 minutes of trade, the rally translated into a wealth expansion of roughly Rs.13 lakh crore for investors. The total market capitalisation of companies listed on the BSE vaulted to Rs.46...