BlackBerry Stock Pops Monday, Adding to Its Recent Rally. Here's What Has Investors Excited By Aaron McDade Full Bio Aaron McDade is a breaking news reporter for Investopedia. He is an experienced journalist who has covered everything from the latest in business and tech news to sports and international news like the war in Ukraine for respected outlets like Business Insider and Newsweek. Learn about our editorial policies Published May 04, 2026 11:55 AM EDT With Monday's gains, BlackBerry shares are up over 50% from the start of the year. Thomas Fuller / SOPA Images / LightRocket / Getty Images Close Key Takeaways BlackBerry shares extended their recent rally Monday, following a report of strong growth in its QNX business.The software maker is behind the operating system that runs driver assistance features in more than 275 million cars, and provided half of BlackBerry's revenue last year. Get personalized, AI-powered answers built on 27+ years of trusted expertise. ASK BlackBerry's stock has been on a tear lately amid some signs of fresh growth. Could it be on its way to making a comeback? Shares of BlackBerry (BB) were up over 5% in recent trading, at their highest point in more than a year, following a report from The Wall Street Journal over the weekend pointing to strong growth in its QNX business that makes the software behind a wide range of driver assistance programs, among other things. Though well off their 2008 highs, Monday's move adds to a torrid rally for BlackBerry's stock this year, leaving the shares up more than 50% for 2026 so far. Why This Matters to Investors The report could boost confidence in a comeback for BlackBerry, powered by software rather than the hardware it was once known for. BlackBerry, which no longer makes phones, said in