The equity benchmark indices BSE Sensex and NSE Nifty logged their biggest single-day gain since May 12, 2025, after the US and India announced a trade deal, triggering an all-round rally. The Sensex surged 2,073 points to 83,739 and the Nifty jumped 639 points to 25,728, with all sectoral indices ending in the green and BSE market capitalisation rising by over ₹12 lakh crore.