The 30-share index rose by 162.39 points, or 0.54 per cent, to hit a new peak of 29,844.16 (intra-day), breaking its previous record of 29,786.32 touched on January 28.
In previous ten sessions, the Sensex had recorded a massive rise of over 2,346 points, or more than 8 per cent.
Stocks of realty, power, IT, capital goods, PSU and oil & gas sectors, led the rise.
The gauge had touched an intra-day high of 8,985.05 in yesterday's trade.
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Brokers said apart from beginning of February series in the derivatives segment, continued buying by foreign funds as well as retail investors supported by improving macro economic data amid optimism over upcoming Budget and encouraging Q3 earnings by some bluechip companies, lifted the key indices to new highs.
Besides, a mixed trend at other Asian markets and overnight gains in US markets on solid corporate earnings also boosted sentiments here, they said.
The US Dow Jones Industrial Average closed 1.31 per cent higher in yesterday's trade.