According to Cointelegraph, ARK Invest sold shares of Jack Dorsey's financial services company Block as the crypto market rose. On October 28, ARK sold 418,556 shares of Block from two funds for $31 million. Block's stock price rose nearly 13% in October to $74.6, the highest point since April. ARK also increased its holdings of its own ARK 21Shares Bitcoin ETF, purchasing 6,698 shares worth about $466,000.