BlackBerry stock rallies on Nvidia deal but key risks remain Investors piled into BlackBerry BB on Monday morning after the company announced a deepened integration with the artificial intelligence (AI) behemoth – Nvidia NVDA. At Hannover Messe, the Canadian firm said it has reached an agreement to integrate its QNX OS for Safety 8.0 into NVDA’s IGX Thor platform, pivoting from its automotive stronghold into the burgeoning world of “Physical AI”. BlackBerry stock has been a lucrative investment this month – currently up some 75% versus the start of April. However, significant risks remain that warrant considering trimming exposure to BB at current levels. Cybersecurity remains an overhang for BlackBerry stock While IoT and especially the QNX division has become a Wall Street darling, BlackBerry’s legacy cybersecurity business remains a drag on the firm’s overall performance. Despite efforts to modernize its Cylance-driven suite, the division faces a “grueling uphill battle” against best-of-breed names like CrowdStrike and Microsoft. According to recent data, the dollar-based net retention rate or DBNRR continues to struggle with staying above the critical 100% threshold, signaling the company is losing ground within its existing client base. For an investor, this creates a tale of two companies: a high-growth robotics software firm shackled to a low-growth security business. Until BB stock can prove that its cybersecurity segment has stabilized and can contribute to notably to bottom-line without heavy discounting, the overall margin profile remains vulnerable to erosion. BB shares are no longer attractively priced Following today’s surge, BlackBerry’s valuation has entered a territory that fundamental analysts describe as “priced for perfection”. Trading at a forward price-to-earnings (P/E) multiple of roughly 43x, it isn’t just trading at a huge premium to the broader North American software sector only, but is more expensive to own than NVDA itself. BB’s current