At the stock markets, after a moderately positive opening, the Sensex at the Bombay Stock Exchange remained largely firm and had gained a modest 48 points, to 33,667 a short while ago. The Nifty at the National Stock Exchange had climbed 12 points, to 10,382. And at the forex market, after recovering from initial weakness, the rupee had appreciated 7 paise, to 64.34 against the dollar in afternoon deals.