Here are some of the biggest movers of the day:
Stock gainers:
BlackBerry Ltd. BB, -0.79% shares climbed 15% in premarket trade after the security-software developer reported fiscal first-quarter results that topped Wall Street estimates.
Here are some of the biggest movers of the day:
Stock gainers:
BlackBerry Ltd. BB, -0.79% shares climbed 15% in premarket trade after the security-software developer reported fiscal first-quarter results that topped Wall Street estimates.