Good buying was observed in banking index (bankex), capital goods and auto sectors, while selling pressure was seen in metal sector. The 30-scrip sensitive index (Sensex) of the S&P Bombay Stock Exchange (BSE), which opened at 19,452.05 points, was trading at 19,486.02 points in the pre-noon session, up 106.25 points or 0.55 percent from previous day's close at 19,379.77 points.