Heavy selling pressure was seen in capital goods, banking, oil and gas, IT and auto sectors, while marginal good buying was observed in healthcare sector.
The 30-scrip Sensitive Index (Sensex) of the S&P Bombay Stock Exchange (BSE), which opened at 27,230.94 points, was trading at 27,128.89 points (at 09.27 a.m.) in the early session, down 136.43 points or 0.50 percent from the previous day's close at 27,265.32 points.
The Sensex touched a high of 27,251.44 points and a low of 27,120.59 points in the trade so far.
The S&P BSE capital goods index tanked by 152.38 points, bankex dropped by 93.36 points, oil and gas index slid by 78.82 points, IT index slipped by 75.13 points and auto index went down by 71.50 points. However, healthcare index moved up by 77.65 points.
The wider 50-scrip Nifty of the National Stock Exchange (NSE) also was trading 37.05 points or 0.45 percent down at 8,115.90 points.