Shares of buy now, pay later company Klarna rose more than 30% on Wednesday after the company raised $1.37 billion in its long-awaited  initial public offering. Klarna's stock, trading under the ticker KLAR, opened at$52 per share after pricing at a higher-than-expected $40, which would have valued the company around$15 billion. The Swedish firm initially guided a price range of $35 to$37 per share when it launched its roadshow earlier this month. Costco Rolls Out Buy Now, Pay Later For Big Online Pur ...