John Chen to exit BlackBerry Friday, 10 years after leading turnaround that remains unfinished

News Snapshot:

John Chen is departing as chief executive of BlackBerry Ltd. (BB-T) this Friday, 10 years to the day after he signed on to turn around the smartphone pioneer, a job that remains unfinished. The 68-year-old technology veteran’s fate with the Waterloo, Ont. company has been a source of speculation for months as a five-year extension to his original employment contract was due to run out at the end of this week. Mr. Chen addressed the uncertainty at an investor briefing two weeks ago, saying he didn’t know if he would remain and that the decision about his future had been...