https://www.reuters.com/article/us-affirm-amazon-com/affirm-soars-on-buy-now-pay-later-pact-with-amazon-idUSKBN2FS24N >(Reuters) -Affirm Holdings Inc shares surged 43% on Friday after the company partnered with Amazon.com Inc to make its buy now, pay later (BNPL) service available to certain customers of the e-commerce giant.