Stock market today: The NSE Nifty’s 50-share index reduced by 103.40 points or 0.40 per cent to 25,910.05. The BSE Sensex, comprising 30 shares, decreased by 277.93 points or 0.33 per cent, closing at 84,673.02. During trading, it fell to 84,558.36, down by 392.59 points or 0.46 per cent.