NAIROBI, May 16 (Reuters) – The following company announcements, scheduled economic indicators, debt and currency market moves and political events may affect African markets on Wednesday. – – – – – GLOBAL MARKETS Asian stock markets dipped on Wednesday after Pyongyang abruptly called off talks with Seoul, throwing a U.S.-North Korean summit into doubt, while surging bond yields revived worries about faster U.S. interest rate hikes that could curb global demand.

Source: http://feeds.reuters.com/~r/reuters/AfricaNigeriaNews/~3/-7t1bWwkU44/idAFL5N1SN0F1