Key Takeaways CrowdStrike Holdings shares hit a record intraday high Tuesday after a cyberattack hit Chinese AI startup DeepSeek.The attack comes after tech stocks sank Monday on news that DeepSeek's AI assistant runs on less-advanced chips and at a lower cost than U.

DeepSeek, the Chinese artificial intelligence startup, has been hit by “large-scale malicious attacks”. To mitigate the impact, it has temporarily restricted new user registrations. However, those who already have an account on the platform can log in as usual,