Why Cybersecurity Stock Rubrik Skyrocketed Today

Shares of cybersecurity company Rubrik (RBRK 25.38%) skyrocketed on Friday after the company reported financial results for its fiscal fourth quarter of 2025. Rubrik stock was off to a rocky start this year, with shares down as much as 34% from 2025 highs. But it's taking back lost ground today. At 9:50 a.m. ET, Rubrik stock was up 25%.Rubrik is growing fast and turning in profitsRubrik had its initial public offering (IPO) less than one year ago, and it's still unknown to many investors. That may start to ...