At the stock markets, after a weak opening, the Sensex at the Bombay Stock Exchange swung between losses and gains, and had advanced a modest 42 points, to 31,201 a short while ago. The Nifty at the National Stock Exchange had added just one point, to 9,737.And at the forex market, the rupee recovered from initial losses, and had appreciated 8 paise, to 65.63 against the dollar in afternoon deals.