NAIROBI, Sept 10 (Reuters) – The following company announcements, scheduled economic indicators, debt and currency market moves and political events may affect African markets on Wednesday. – – – – – EVENTS: DEMOCRATIC REPUBLIC OF CONGO – Democratic Republic of Congo hosts energy industry conference, attended by oil minister and major oil companies. SOUTH AFRICA – Aspen Pharmacare expected to issue results. The firm has already flagged as much as a one-third rise in full-year