The BSE Sensex, which opened at 27,937.62 points, was trading at 27,969.94 points (at 9.18 a.m.) in the early session, down 141.89 points or 0.50 percent from the previous day’s close at 28,111.83 points. The BSE Sensex touched a high of 27,997.14 points and a low of 27,896.80 points in the trade so far. Heavy selling pressure was seen in auto, banking and healthcare sectors, while marginal good buying was observed in oil and gas sector. (IANS)