** Swedish fintech Klarna's KLAR.N shares rise 5.7% to $15.49 premarket
** KLAR says board chair Michael Moritz bought $50 million worth of the firm's shares in recent days, while chief product & design officer David Fock bought $388,552 worth of shares
** Buybacks and insider buying are the strongest signals companies can send to the market, according to analysts
** KLAR stock took a beating last month after posting a bigger-than-expected Q4 loss
** Fintech stocks have also struggled in recent months as investors weigh AI-driven disruption fears
** 12 of 17 brokerages rate the stock "buy" or higher and five "hold"; median PT $20 - data compiled by LSEG
** As of last close, KLAR stock down 49.4% YTD
(Reporting by Arasu Kannagi Basil in Bengaluru)
((ArasuKannagi.Basil@thomsonreuters.com;))