``The Sensex fell 72.5 points or 0.5% to 15,792.4 while the Nifty fell to 4,751.3, down 20.9 points or 0.4%.The Sensex has supports at 15,685 and 15,580 and resistances at 15,970 and 16,150. The Nifty has supports at 4,730 and 4,690 and resistances at 4,880 and 4,924.``
Sensex has support at 15,685 & 15,580: