Mumbai, Aug 6 (TIWN) Healthy buying activity continued to support equity markets' northward trajectory during the post-noon session on Thursday.

Globally, Asian shares held onto this week's gains, however, uncertainty about Chinese policy made investors nervous.  Consequently, the two key indices - S&P BSE Sensex and NSE Nifty50 - touched new intra-day record highs before ceding some of their gains.  The Sensex touched a new high of 54,604.2 points and the Nifty50 hit a record 16,327.1 points.  Amongst sectors, Telecom index gained the most while Realty was the main loser.  The Sensex at around 12.55 a.m. traded at 54,637.40, higher by 267.63 points or 0.49 per cent from its previous close.  The Nifty50 traded at 16,322.95, higher by 64.15 points or 0.39 per cent from its previous close.  "Nifty opened flat on Aug 5 and has remained range-bound in the morning session," said Deepak Jasani- Head of Retail Research at HDFC Securities.