Indian equity markets fell sharply on Thursday, January 8, 2026, amid fears of up to 500% US tariffs on Indian goods. Sensex closed at 84,180.96, down 780.18 points, while Nifty50 fell 263.9 points to 25,876.85. Midcap and smallcap indices tumbled nearly 2%, with metals, oil, PSU banks, and IT sectors leading losses.