Core Viewpoint - Jiuzi Holdings (NASDAQ:JZXN) stock experienced a significant increase following the announcement of Doug Buerger's appointment as COO, who will lead the company's digital currency treasury strategy [1] Group 1 - The appointment of Doug Buerger as COO is effective immediately [1] - Jiuzi Holdings' shares rose by 27.68% in pre-market trading on Tuesday [1]