A neon sign reminds patrons at a McDonald's restaurant of the 24-hour service in the Wrigleyville neighborhood of Chicago. The fast food chain faces increased competition from rivals with their own discounted menus, such as Taco Bell's value menu and Burger King's $1 offers.

A neon sign reminds patrons at a McDonald's restaurant of the 24-hour service in the Wrigleyville neighborhood of Chicago. The fast food chain faces increased competition from rivals with their own discounted menus, such as Taco Bell's value menu and Burger King's $1 offers.