Tonmo Simplice Gaël

Stock Market Reaction to Managerial Change Announcements: Evidence from three Emerging African Stock Exchanges

Tchoffo Tioyem Ghislain Pierre, Yopa Serges & Tonmo Simplice Gaël · Asian Journal of Economics, Business and Accounting · 2026

The restructuring of corporate governance at the head of a company is a major strategic signal, the significance of which is closely scrutinized by the financial markets. When a company announces a change in its management team, be it an unexpected departure, an external appointm...