Nelson Peltz steps down as Wendy's chairman

Nelson Peltz speaking at the Delivering Alpha 2019 conference in New York on September 19, 2019. Adam Jeffery | CNBC…

Why do airlines like American strive to make engines last longer?

TULSA, Okla. — Parts and labor shortages. Delayed deliveries of new planes Boeing and Airbus. An engine recall. Premature repairs.…