Good buying was observed in banking, capital goods and metal sectors, while selling pressure was seen in the fast moving consumer goods (FMCG) sector.
The 30-scrip Sensitive Index (Sensex) of the S&P Bombay Stock Exchange (BSE), which opened at 27,711.96 points, was trading at 27,871.02 points (at 09.43 a.m.) in the early session, up 74.01 points or 0.27 percent from the previous day's close at 27,797.01 points.
The Sensex touched a high of 27,872.44 points and a low of 27,710.03 points in the trade so far.
The S&P bankex gained by 142.14 points, capital goods index moved up by 126.98 points and metal index inched up by 124.14 points. However, FMCG index dropped by 52.31 points.
The wider 50-scrip Nifty of the National Stock Exchange (NSE) was also 9.10 points or 0.11 percent up at 8,349.80 points.