NAIROBI, Sept 9 (Reuters) - The following company announcements, scheduled economic indicators, debt and currency market moves and political events may affect African markets on Tuesday. - - - - - EVENTS: * SOUTH AFRICA - The furniture maker and retailer Steinhoff expected to issue results and has already flagged as much as a one-third rise in full-year profit. * SOUTH AFRICA - South Africa's second-biggest lender by value FirstRand Bank to issue results. The bank ha

Apple's iWatch device is expected to take market share from devices such as the Fitbit and Jawbone. The impact of Apple's new fitness-tracking device is already being felt in the wearable technology market, even before its expected launch in California on ...