The domestic stock markets staged an impressive rally, today, but the rupee ended slightly weaker against the dollar.The Sensex at the Bombay Stock Exchange spurted 352 points, or 1.1 percent, to close at 32,949, on all-round buying by investors. The Nifty at the National Stock Exchange surged 123 points, to 10,167. But at the forex market, the rupee depreciated 5 paise, to 64.57 against the dollar. Gold dropped 100 rupees, to an over three-month low of 29,950 rupees per ten grams in Delhi. And Brent crude oil futures climbed 27 cents, to 61.49 dollars a barrel.