At the stock markets, after a strong opening, the Sensex at the Bombay Stock Exchange trimmed its initial gains, but had still climbed 129 points, or 0.4 percent, to 31,388 a short while ago. The Nifty at the National Stock Exchange had gained 39 points, to 9,794.And at the forex market, the the rupee had appreciated 3 paise, to 64.11 against the dollar in afternoon deals.