Besides, profit-booking in stocks of realty, auto, metal, banking, capital goods and oil & gas sectors, negatively impacted trading sentiments.
The 30-share barometer fell by 58.56 points, or 0.19 per cent, to 29,512.48. The gauge had rallied by 2,224.22 points in the previous eight straight sessions on the back of sustained foreign fund inflows.
Yesterday, the gauge had closed at a fresh lifetime peak of 29,571.04 after climbing to a new intra-day record-high of 29,618.59 as investors cheered the strengthening of Indo-US trade ties.
Brokers said emergence of profit-booking by cautious investors in recent gainers at record levels ahead of tomorrow's monthly expiry in the derivatives segment mainly pulled down the key indices from their peaks.
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Besides, a weakening trend at other Asian markets following yesterday's heavy sell-off in US markets on poor earnings reports negatively impacted trading sentiments here, they said.
Among other Asian markets, Japan's Nikkei moved down by 0.86 per cent, while Hong Kong's Hang Seng fell 0.01 per cent in early trade today.