Affirm Holdings, Inc. (NASDAQ:AFRM) stock climbed higher Thursday after announcing a major expansion of its partnership network with global payments firm Worldpay.On October 22, Citigroup analyst Bryan Keane began coverage on Affirm with a Buy rating and set a $100 price forecast.Expanded Partnership With WorldpayThe new collaboration integrates Affirm’s buy now, pay later (BNPL) services directly into Worldpay’s embedded payments suite for software platforms.Also Read: What’s Going On With AutoNation Stock ...