The 50-share index ended at 6,251.70, showing a rise of 30.80 points, or 0.50 per cent, over its last close. The NSE barometer touched a high of 6,269.20 in early trade.
The index had spurted nearly 120 points yesterday after the Reserve Bank raised repo rate by 25 basis points and lowered short-term interest rates at its policy meeting.
After range-bound trade in initial stages, the key index picked up strength in late afternoon following heavy buying in select frontline heavyweights.
Strong fund flows from overseas investors alongside healthy second quarter corporate earnings have supported the recent rally. Swelling optimism that US Federal Reserve will delay rollback of its USD 85 billion monthly asset-buying programme also boosted sentiments today.
Other Asian and emerging markets rallied to multi-month highs ahead of Federal Open Market Committee meet.
Bharti Airtel was the top index gainer after the leading telecom operator surprised the Street with better-than- expected revenues and operating margins in Q2, though net profit slipped by over 25.75 per cent on Q-on-Q basis.
Turnover in the cash segment declined to Rs 11,833.02 crore from Rs 12,427.18 crore yesterday. A total of 6,052.65 lakh shares changed hands in 57,96,455 trades, while market capitalisation stood at Rs 66,24,610 crore.