The Bombay Stock Exchange benchmark Sensex on Friday fell by over 132 points in opening trade on fresh capital outflows by foreign funds, triggered by weak global markets after subdued US data.
Also, profit-taking by retail investors after recent gains put pressure on the stock prices.
The 30-share Sensex, which had gained 15.77 points in yesterday's choppy trade, dipped 132.09 points to 17,053.59 in opening trade.
The wide-based National Stock Exchange index Nifty also drifted by 42.10 points to 5,089.60.
Brokers said sentiments negative on a subdued US services sector data, triggering selling by foreign funds.
Besides, profit booking by retail investors in select counters at prevailing prices, also attributed fall in stock
prices, they said.
Among losers, market heavy-weight Reliance Industries which fell 0.66 per cent at Rs 1,094.30 on profit-taking.
Other weak counters, which dragged the Sensex down were BHEL down 0.43 per cent to Rs 2,195.80, State Bank of India down 0.34 per cent to Rs 2,346.05 and Maruti Suzuki lower by 1.02 per cent to Rs 1,618.50 .
The Hong Kong's Hang Seng index was down 1.34 per cent, while Japan's Nikkei was down 0.30 per cent in the morning trade today. The US Dow Jones Industrial Average had closed 0.83 per cent down in yesterday.