Canada's BlackBerry forecast a revenue decline in fiscal 2026 on Wednesday (Apr 2), as it anticipated weak spending on its cybersecurity products. US-listed shares of the Waterloo, Ontario-based company fell 4 per cent in premarket trading. BlackBerry, once a dominant force in the smartphone market, has transitioned into selling software for devices and autonomous vehicles. But enterprises are now reining their technology spending and optimizing costs, which in turn is affecting firms like