The 30-share index was up by 33.00 points, or 0.13 percent, to 23,904.23. The gauge had touched an all-time intra-day high of 24,068.94 in Tuesday's trade.
The Sensex had gained 1,527.19 points in the previous three sessions after exit polls predicted that BJP-led NDA will form the government at the Centre.
The NSE Nifty also moved up by 15.40 points, or 0.21 percent, to 7,124.15.
Brokers said continued capital inflows on hopes of a stable and business friendly government at the Centre buoyed the trading sentiments.
However, emergence of profit-booking in banking, auto and capital goods sector stocks at record levels slowed down the rising pace, they said.
Among other Asian markets, Hong Kong's Hang Seng Index rose by 0.59 percent, while Japan's Nikkei shed 0.34 percent in morning trade on Wednesday.
US Dow Jones Industrial Average gained 0.12 percent in Tuesday's trade.


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