Southwest Airlines Co. is adding Klarna AB’s buy now, pay later options to its suite of payment methods. It’s the first time Southwest has accepted Klarna. Expected to be available later this year, the Klarna BNPL option will supplement a Flexpay installment option Southwest already offers, a Klarna spokesperson says. …

More than a year after Capital One Financial Corp. announced its $35-billion deal to acquire Discover Financial Services, it received the last federal regulatory approvals to move ahead and has set a May 18 closing. The last two regulatory approvals, from the Federal Reserve and the Office of the Comptroller …