New Delhi, May 28 (IANS): A benchmark index of Indian equities markets was trading 0.06 percent down in pre-afternoon trade Tuesday.

While there was good buying spree in public sector units (PSU), oil and gas and metals scrips, auto, capital goods, bankex and consumer durables stocks took a plunge.

The 30-scrip sensitive index (Sensex) of the S&P Bombay Stock Exchange (BSE), which opened at 20,056.28 points, was trading at 20,018.85 points in the pre-afternoon session, down 11.92 points or 0.06 percent from its previous day's close at 20,030.77 points.

Sensex touched a high of 20,139.28 points and a low of 19,963.23 points in intra-day trade.

The wider 50-scrip Nifty of the National Stock Exchange (NSE) has shown upward movement and was trading at 0.05 percent or 03.20 points up at 6,086.35 points.

The S&P BSE PSU index inched up by 65.99 points, oil and gas index was up by 55.84 points and metal index notched up 24.63 points. While S&P BSE auto index continued to fall - it dipped Tuesday by 60.50 points - capital goods index down by 46.73 points, bankex index down by 59.26 points and consumer durables index was down by 20.31 points.