Nike has announced the abrupt retirement of CEO John Donahoe, amid declining sales and company struggles, marking a significant leadership change. The news has led to a surge in Nike's stock, with shares jumping approximately 8% as investors rally behind the appointment of Elliott Hill, a longtime company veteran, as the new CEO. Analysts, however, caution against chasing the stock's pop, suggesting that immediate fixes may not be on the horizon. This transition aims to restore confidence and revitalize sales, as Nike prepares for a 'new stage of growth' under Hill's leadership.