China Development Bank Financial Leasing said its aircraft leasing unit would order 50 Boeing 737 MAX 8 jets, in a boost to the planemaker that has been grappling with a slowdown in Chinese orders and a strike by factory workers.

Allegiant Air hopes to introduce its first Boeing 737 MAX 8-200 in November after more than a year of delays, CEO Gregory Anderson said Tuesday. The Las

China Development Bank Financial Leasing Co. agreed to buy 50 Boeing Co. 737 Max jets, the company’s second major order in as many weeks as it adds newer, more fuel-efficient planes to its fleet.