<p><img src="https://images.cointelegraph.com/images/528_aHR0cHM6Ly9zMy5jb2ludGVsZWdyYXBoLmNvbS91cGxvYWRzLzIwMjUtMDMvMDE5NWFhMTctZWIyZC03Mjc5LWFmYjAtNDE1OWMzNjQxMTIy.jpg" alt="ARK Invest buys $19M of Jack Dorsey’s Block as stock tumbles to $73"></p><p>ARK Invest’s latest Block purchase is its first in months, signaling a potential shift in the company’s investment strategy.</p>