McDonald's value meal promotion extension aims to attract cost-conscious consumers, leveraging its mobile app's success. Read more on MCD stock here.

McDonald's is extending its $5 Meal Deal offer through the end of the year. Some stores now have a third sandwich option.

McDonald's $5 Meal Deal hit the fast food chain's menu this summer as a limited-time offer, but now it's staying on the menu into the fall. Back in June, McDonald's debuted the $5 Meal Deal: You get a McDouble or McChicken sandwich,