Burger King earnings up 21 percent

Burger King Holdings said its first quarter earnings grew 21 percent, driven by higher sales at new restaurants. The Miami-based burger chain said it earned $41 million, or 30 cents a share, on revenue of $594 million. In the prior-year quarter, the restaurant earned $34 million, or 25 cents a share, on revenue of $539 million. Burger King (NYSE: BKC) comparable sales were up 5.8 percent worldwide and 5.4 percent in the U.S. and Canada.