Buy or sell stocks, Feb. 3 -- Indian equities delivered a stunning turnaround on Tuesday, February 3, logging one of the sharpest single-day advances in recent years as investors reacted to the formal announcement of the long-awaited India-U.S. trade agreement. The development dramatically changed the market mood that had remained cautious in recent sessions, triggering aggressive buying across sectors and market caps.

The benchmark BSE Sensex vaulted more than 4,200 points, gaining 5.1% to hit an intraday high of 85,871.73. The Nifty 50 surged 1,252 points, or 5%, to 26,341.2 during the session, reflecting broad-based participation.

The rally followed confirmation from U.S. President Donald Trump that reciprocal tariffs on Indian goods...