The stock market saw a volatile session on July 3, 2025, amid weekly futures and options (F&O) expiry and settled marginally lower. The Sensex shed 170.22 points, or 0.20 per cent, to close at 83,239.47, and the Nifty 50 slipped 48.10 points, or 0.19 per cent, to end at 25,405.30.