Six out of ten auction records last year were set by African-American artists. Their star is also rising in Switzerland: Eva Presenhuber and Hauser & Wirth, two major galleries, are showing art by African-American artists this month. We look at why this genre is increasingly in the spotlight. More videos can be watched on our website: www.cnnmoney.ch/ Video produced by Tanya König www.youtube.com/user/cosmotay