NEW YORK ( TheStreet-- Las Vegas Sands ( LVS) is running up after its third-quarter profit doubled from year-ago levels, as Macau and Singapore once again buoyed results. The casino giant said it earned 55 cents per share on revenue of $2.41 billion in the three months ended Sept. 30. Wall Street was calling for a profit of 52 cents on revenue of $2.34 billion in the period. "Strong revenue growth and margin expansion at Marina Bay Sands in Singapore and our portfolio of properties in Macau and the United States contributed to excellent financial performance overall," the company said in a statement. The stock was last quoted at $47, up 3.6%, on after-hours volume of nearly 950,000, according to Nasdaq.com. - Reported by Jeanine Poggi in New York.