The following company announcements, scheduled economic indicators, debt and currency market moves and political events may affect African markets on Friday. - - - - - EVENTS: KENYA - The high court rules on an application by opposition parties seeking to strike out a controversial security law passed in December to help curb frequent attacks. GLOBAL MARKETS Japanese stocks rose to a fresh 15-year high on Friday with the dollar boosted by upbeat U.S. data, but continuing uncertainty over the Greek debt negotiations weighed on the euro.[pro_ad_display_adzone id="10"] WORLD OIL PRICES Oil markets edged up on Friday to halt a two-day drop, helped by expectations that data later in the day would show a continuing decline in the U.S. oil rig count, a clear sign of the pressure the tumble in crude has put on oil producers. EMERGING MARKETS For the top emerging markets news, double click on AFRICA STOCKS For the latest news on African stocks, click on AFRICA CURRENCIES Uncertainty surrounds trade on the Nigerian currency after the central bank scrapped its bi-weekly foreign exchange auctions, while other African currencies are seen mixed. SOUTH AFRICA MARKETS South Africa's rand retreated slightly against the dollar on Thursday as better-than-expected U.S. jobs data offset the boost from the previous day's dovish Federal Reserve statement. NIGERIA MARKETS The yield on Nigeria's one-year Treasury bills rose at an auction where a total 142.43 billion naira ($722.99 million) was raised, the Debt Management Office (DMO) said on Thursday, in a bid to attract investors to the longer maturity. NIGERIA INSECURITY Nigerian warplanes bombed training camps and equipment belonging to Islamist group Boko Haram in the northeast's Sambisa forest on Thursday, the military said, adding momentum to an assault meant to crush the rebels also involving neighbours Chad, Cameroon and Niger. KENYA MARKETS Shares in Kenya' biggest telecoms operator Safaricom SCOM.NR hit an all-time high on Thursday, pushing the blue chip index to its highest level since KENYA CAPITAL GAINS TAX Kenyan stockbrokers are threatening to stop trading at the Nairobi Stock Exchange (NSE) from Friday over a new capital gains tax, brokers said on Thursday, as the bourse rallied to another all-time high. GHANA MARKETS Ghana accepted 470.08 million cedis ($136.25 mln) worth of bids for a three-year bond on Thursday, paying a lower than expected yield of 23.23 percent in a heavily oversubscribed sale, the central bank said.(REUTERS)