CRWD ▼ -6.9% - CrowdStrike Holdings, Inc. $CRWD - EY Selects CrowdStrike to Power the Trust Layer of EY.ai Value Blueprints CrowdStrike shares declined 6.9% today despite the company securing a partnership with EY to integrate its platform into EY.ai Value Blueprints, which positions CrowdStrike as a key component of EY's artificial intelligence infrastructure offerings. The stock move suggests investors may have already priced in partnership announcements, or broader market conditions weighed on the security software sector today. 01-SEP-2026 01:15 PM ET