US cybersecurity stocks rose before the market opened, with Palo Alto Networks up 4.4%, Zscaler up 2.6%, Fortinet up 2%, and SentinelOne up 6.8%. Earlier, Microsoft suffered a severe service interruption, and cybersecurity software company CrowdStrike reported receiving a large number of reports about blue screens appearing on Windows computers. The company's engineering department determined that the issue was related to content deployment and has since restored these changes.