The BSE 30-share barometer spurted by 129.77 points, or 0.46 percent, to hit yet another record high of 26,520.73, crossing its previous high of 26,413.11 touched on Monday. The gauge had gained 1,061.82 points in the past five sessions.
All sectoral indices led by metal and capital goods were trading in positive zone with gains up to 1.33 percent.
The NSE Nifty also maintained its rising trend and breached the 7,900-mark for the first time by gaining 37.80 points, or 0.48 percent, to trade at new life-time high of 7,912.05, surpassing its earlier high of 7,880.50 touched on Monday.
Besides widespread buying by funds and retail investors on the back of encouraging Q1 earnings by several bluechip companies, strong rupee and fall in global crude prices helped the key indices - Sensex and Nifty - to scale new highs, stock brokers said.
Further, a firming trend in other Asian markets on easing concerns over Ukraine and overnight gains in US markets influenced trading sentiments here, they said.
Among other Asian markets, Japan's Nikkei gained 0.91 percent, while Hong Kong's Hang Seng was up 0.36 percent in the morning trade on Tuesday.

US Dow Jones Industrial Average ended 1.06 percent higher in Monday's trade.

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