``The Sensex on the BSE fell by 74.7 points or 0.5% to 15,738.7 while Nifty on the NSE fell by 19.9 points or 0.4% to 4714.0. The Sensex has supports at 15,690 and 15,550 and resistances at 15,870 and 15,960. The Nifty has supports at 4,690 and 4,630 and resistances at 4,770 and 4,820.``
Sensex has support at 15,690 & 15,550: