Swedish fintech company Klarna on Friday reported a 24 per cent surge in 2024 revenue, as the buy now, pay later pioneer made public its paperwork for a long-awaited stock market debut in the U.S. Fintech listings soared in 2021 but lost momentum due to rising interest rates and steep valuations. But with risk appetite in equity markets slowly picking up, several companies that had shelved their listing plan are eyeing a comeback. Klarna, which reshaped online shopping by pioneering the short-