Trim fat from pork. Slice tenderloin into 1/2-inch thick slices; flatten slices with palm of hand. Coat a large nonstick skillet with cooking spray; place over medium-high heat until hot. Add pork, and cook 3 minutes on each side or until browned.
Combine teriyaki sauce and remaining 3 ingredients, stirring well. Add to pork in skillet. Bring to a boil; reduce heat, and simmer 3 minutes. Remove pork from skillet, and spoon sauce over pork.