<P> Angola has announced interests in investing in the EU, Portugal in particular . South Africa has attracted increasing attention from the United States as a new frontier of investment in manufacture, financial markets and small business, as has Liberia in recent years under their new leadership . </P> <P> There are two African currency unions: the West African Banque Centrale des États de l'Afrique de l'Ouest (BCEAO) and the Central African Banque des États de l'Afrique Centrale (BEAC). Both use the CFA franc as their legal tender . The idea of a single currency union across Africa has been floated, and plans exist to have it established by 2020, though many issues, such as bringing continental inflation rates below 5 percent, remain hurdles in its finalization . </P> <P> As of 2012, Africa has 23 stock exchanges, twice as many as it had 20 years earlier . Nonetheless, African stock exchanges still account for less than 1% of the world's stock exchange activity . The top ten stock exchanges in Africa by stock capital are (amounts are given in billions of United States dollars): </P> <Ul> <Li> South Africa (82.88) (2014) </Li> <Li> Egypt ($73.04 billion (30 November 2014 est .)) </Li> <Li> Morocco (5.18) </Li> <Li> Nigeria (5.11) (Actually has a market capitalisation value of $39.27 Bln) </Li> <Li> Kenya (1.33) </Li> <Li> Tunisia (0.88) </Li> <Li> BRVM (regional stock exchange whose members include Benin, Burkina Faso, Guinea - Bissau, Ivory Coast, Mali, Niger, Senegal and Togo: 6.6) </Li> <Li> Mauritius (0.55) </Li> <Li> Botswana (0.43) </Li> <Li> Ghana (. 38) </Li> </Ul>

What area in africa has the most manufacturing and trade