Burger King 5 for $4

Wendys Co (NASDAQ: WEN) tweeted a promotional picture of its 4 for $4 menu option, which drew a surprising response from rival fast food burger chain, Burger King. Wendy's 4 for $4 meal consists of a Jr. Bacon Cheeseburger, chicken nuggets, fries, and a drink. The 4 for $4 Meal: a trayful of mouth-...