[Ark Invest Increased Circle Stock by Approximately $13.7 Million Yesterday, Reduced Robinhood Stock by Approximately $9.8 Million] According to The Block, Cathie Wood's Ark Invest purchased 217,896 shares of Circle stock on Thursday, valued at approximately $13.7 million. CRCL fell 1.65% on the day to $63.01. At the same time, Ark sold 85,319 shares of Robinhood stock, valued at approximately $9.8 million. HOOD rose 1.39% on the day to $115.11.