Ark Investment Management, owned by Cathie Wood, founder of Ark Fund, sold 88,545 shares of Roblox, 17,607 shares of Tesla and 16,758 shares of Coinbase and bought 38,595 shares of Crowdstrike, according to exchange filings. The global outage caused by CrowdStrike on Friday led to the suspension of a large number of flights, the market was thrown into chaos and the operation of several companies was troubled.