NAIROBI, Oct 29 (Reuters) – – The following company announcements, scheduled economic indicators, debt and currency market moves and political events may affect African markets on Wednesday. – – – – – EVENTS: BOTSWANA-Bank of Botswana may announce its latest decision on benchmark lending rate. SOUTH AFRICA – Reserve Bank releases its Financial Stability Review. GLOBAL MARKETS Asian shares advanced to one-month highs on Wednesday, helped by Wall Street which gained on optimism over