The BSE benchmark Sensex recovered from the intraday low levels on the back of buying in metal, power and capital goods stocks.. . The 50-share Nifty also recouped the lost ground in the last half hour of trade and moved above its important psychological level of 8,650.. . The buying also resumed in the auto stocks. After the Reserve Bank of India held on to the interest rates at its policy meeting the CNX auto index fell 1 per cent. But the buying resumed in the auto stocks at lower levels.. . At 3:20 p.m., the Sensex was up 19 points at 28,523 and the 50-share Nifty advanced 8 points to 8,668 levels..