At the stock markets, after a positive opening, the Sensex at the Bombay Stock Exchange gave up some of its initial gains, but had still advanced 58 points, to 31,983, a short while ago. The Nifty at the National Stock Exchange rose 12 points, to 10,029.And at the forex market, the rupee had appreciated 5 paise, to 65.22 against the dollar in the afternoon.