Strong wholesale results outweighed a difficult retail performance at G-III Apparel Group, which raised its guidance for the year. In a Nutshell: Led by its “power brands”–DKNY, Donna Karan, Calvin Klein, Tommy Hilfiger and Karl Lagerfeld Paris–G-III Apparel Group scored sales and income gains in the third quarter. Neal S. Hackman, chief financial officer, said…