The following company announcements, scheduled economic indicators, debt and currency market moves and political events may affect African markets on Tuesday. - - - - - GLOBAL MARKETS Asian shares edged higher on Tuesday, approaching record highs, while the yen stole the currency spotlight and jumped after the Bank of Japan's slight reduction to its bond purchases reminded investors that it will eventually normalise policy. WORLD OIL PRICES U.S. oil prices hit their highest since 2015 again on Tuesday as speculators bet on further price rises amid OPEC-led production cuts and a dip in American drilling activity, though some warned the rally could run out of steam. SOUTH AFRICA MARKETS South Africa's rand weakened more than one percent on Monday, succumbing to a resurgent dollar and some profit-taking after seven weeks of gains sparked by leadership changes in the ruling party and a rally in global commodity prices. NIGERIA MARKETS Nigerian stocks rose 1.5 percent to a four-week high above 39,000 points on Monday, lifted by gains across banking, oil and consumer sectors.