Combine broth and wine in a large nonstick skillet; cook 10 minutes over high heat or until liquid is reduced to 2/3 cup. Combine marmalade, mustard, and cornstarch; stir into wine mixture. Bring to a boil, and cook 1 minute, stirring constantly. Pour mixture into a bowl; set aside, and keep warm.
Trim fat from tenderloins; sprinkle with salt and pepper. Heat olive oil in skillet coated with cooking spray over medium heat until hot. Add pork; cook 30 minutes or until a meat thermometer inserted in thickest part of pork registers 160°, turning pork every 10 minutes. Cut into 1/4-inch-thick slices. Serve pork with sauce.