Sensex has resistance at 17,710 & 17,830:
``The Sensex has supports at 17,520 and 17,380 and resistances at 17,710 and 17,830. The Nifty has supports at 5,300 and 5,270 and resistances at 5,370 and 5,400,`` it added.
``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.``