Why Is Aptorum (APM) Stock Up 346% Today?

Group 1 - Aptorum (NASDAQ:APM) announced a merger agreement with YOOV Group, which will be a reverse merger where YOOV shareholders will hold 90% of the combined company and APM stockholders will hold 10% [1] - Jurchen Investment, the majority investor in Aptorum, along with its subsidiary Aptorum Therapeutics Limited, will undergo a split concurrent with the merger [1] - The merger has received approval from the Boards of Directors of both companies, pending shareholder approval [1] Group 2 - Following the merger announcement, APM stock experienced a significant increase, rising by 345.5% as of Wednesday morning [2] - Heavy trading activity was noted, with approximately 38 million shares changing hands, far exceeding the daily average of about 6,500 shares [2]