The 30-share index, however, pared some gains on profit-booking before settling the day at all-time closing high of 29,278.84, up 272.82, or 0.94 per cent, from its previous close, completing gains for the seventh straight day.
The 50-share Nifty rose by 74.20 points or 0.85 per cent to end at all-time closing high of 8,835.60 after hitting of 8,866.40 intra-day.
The BSE barometer has gained by 1,932.02 points or 7.06 per cent in the seven days on robust fund inflows.
Tata Power shot up 6.86 pc, the best among Sensex scrips. Taa Motors rose 3.81 pc and Bharti Airtel 3.72 pc. Cipla at 3.15 pc, Larsen at 2.58 pc were other major gainers.
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However, Gail India fell by 1.80 pc and BHEL 1.67 pc and ONGC 1.09 pc.
The European Central Bank (ECB) yesterday announced stimulus measures to support the ailing economy. The ECB said it would buy assets worth 60 billion euros every month up to the month of September 2016.
Brokers said positive investor sentiment in view of pre-budget optimism also helped the equities attract fund inflows.
Foreign portfolio investors (FPIs) continued their buying spree yesterday as they bought shares worth a net Rs 592.79 crore, as per provisional data.
"The remaining part of the quarterly results as well as budget expectations will drive markets and specific stocks over the next one month.
"Strong action of the fiscal reforms front will lead to further rate cuts from the RBI and help in overall improvement of growth rates and profitability," said Dipen Shah, Head, Private Client Group Research, Kotak Securities.