Boeing's assembly line in its Renton, Washington, factory has ground to a halt.<br />CNN reports the company has stopped building its bestselling plane, the 737 Max.<br />Boeing will not furlough or lay off workers because of the shutdown.<br />However, pain will ripple through its supply chain and could hurt America's economic growth.<br />The shutdown will make restarting production more difficult for Boeing once it finally gets permission for the plane to fly again.
