The stock was last quoted at $41.70, down 5%, on volume of more than 220,000, according to Nasdaq.com. Based on a regular session close at $43.87, the shares were down 5% in the past year, and they'd pulled back even more since hitting a 52-week high of $51.53 in late November. For the full year, Guess? forecast earnings of $3.30 to $3.50 a share on revenue of $2.72 billion to $2.82 billion with its operating margins improving as 2011 wears on to a range of 16.5% to 17% from the 10% level it sees in the first quarter. The company also said its board had declared its regular quarterly dividend of 20 cents a share, and approved a new buyback program to repurchase up to $250 million worth of its common stock. The new authorization includes $85 million left over from the previous buyback program.