Brendan McDermid/Reuters Klarna stock popped more than 30% in its trading debut on Wednesday. The Swedish fintech company is the latest hot tech IPO to draw a The oversubscribed IPO raised $1.37 billion. The parade of red-hot tech stocks to surge in their first day of trading continued on Wednesday. Klarna shares spiked more than 30$52 a share in their debut after the Swedish fintech company priced its initial public offering at $40 per share on Tuesday, the high end of its expected ran ...