Equity benchmarks Sensex and Nifty opened on a flat note on Thursday amid a weak trend in Asian peers and foreign fund outflow. The 30-share BSE index was trading 36.88 points or 0.07 per cent lower at 52,445.83 in initial deals. Similarly, the broader NSE Nifty inched 5.50 points or 0.03 per cent down to 15,716.
