Sentiments were boosted after Cabinet yesterday approved amendments to the GST bill raising hopes of passage by Parliament, equity brokers said.
Besides encouraging Q1 earnings by some blue-chip firms, positive global cues following key US Fed statement on optimism over economy too influenced sentiments.
"Sentiment turned cheerful on US Fed not hiking the interest rate in its meet last night. Further, there were renewed hopes that GST bill can pass in this monsoon session of Parliament," said Gaurav Jain, Director of Hem Securities.
The index recorded its second straight rise supported by short-covering by speculators in view of the last day of the futures and options July contract.
Frenzied buying by funds lifted the Sensex to intra-day high of 27,854.46. It finally settled 141.92 points or 0.51 percent higher at 27,705.35.
Stocks of ITC climbed 3.90 percent to Rs 315.80 after company posted 3.61 percent rise in net profit at Rs 2,265.44 crore for the first quarter ended June 30.
The 50-share NSE index Nifty after reclaiming the crucial 8,400-mark touched a high of 8,458.90 midway. It finally settled 46.75 points or 0.56 percent higher at 8,421.80.
Top gainers from Sensex include, Dr Reddy's (5.23 pc), Cipla (4.79 pc), HUL (2.32 pc), HDFC (1.96 pc), BHEL (1.29 pc), SBI (1.26 pc), Bajaj Auto (1.15 pc), M&M (0.98 pc), Hero MotoCorp (0.83 pc), ICICI Bank (0.61 pc) and ONGC (0.50 pc).
Sun Pharma (1.89 pc), Hindalco (1.60 pc), Infosys (1.48 pc), TCS (1.08 pc), Tata Steel (0.92 pc) and L&T (0.75 pc) were among the biggest losers.
Sectorwise, the BSE realty index gained the most by rising 3.48 percent, followed by FMCG 2.74 percent, power 1.14 percent, PSU 0.86 percent and healthcare 0.77 percent.
Broader markets also showed a better trend as small-cap rose 0.90 percent and mid-cap gained 0.79 percent.
Meanwhile, foreign investors sold shares worth Rs 186.24 crore yesterday.
Globally, other Asian markets ended mixed, while European markets were higher in their early trade.

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