XIAMEN, China, July 17, 2025 /PRNewswire/ -- On July 9, Jay Chou officially announced his presence on Douyin, under the account name "周同学" (Mr. Chou) , identifying himself as a singer. Following the announcement, shares of Jay Chou–related companies in Hong Kong surged significantly for four consecutive days. By the close of trading on July 11, the total increase reached 249.31%, with a total market capitalization exceeding HKD 12 billion. Jay Chou's active engagement on Douyin not only significantly expand ...