BlackBerry stock jumps as company confirms John Chen's exit as CEO after 10 years

BlackBerry Ltd. is looking for a new CEO after announcing the imminent departure of long-time leader John Chen, a move that was welcomed Monday by investors. The company confirmed the news, originally published Monday online by The Globe and Mail, in a release shortly after markets closed, announcing the 68-year-old Mr. Chen would retire effective this Saturday, 10 years and one day after he joined. Board member Richard Lynch will become interim CEO until the company hires a permanent replacement. Lead director Prem Watsa said the board was grateful for Mr. Chen's leadership, stating "his achievement of saving BlackBerry and…