Affirm stock sinks as loss more than triples, bank stress and rising rates spark concerns

Affirm Holdings Inc.’s wounded shares sank anew Tuesday afternoon, as the buy-now, pay-later service saw losses more than triple in its most recent quarter and faced interest-rate concerns.

Affirm AFRM reported a fiscal third-quarter loss of $205.7 million, or 69 cents a share, more than three times the loss of 19 cents a share recorded in the same quarter a year ago. Net revenue increased to $381 million from $355 million last year, while gross merchandise volume — the total amount of money passing through the platform, referred…