African tech IPO Jumia jumps big, Facebook’s board drama, and JP Morgan jumps 5% as it looks into America’s wallet

Summary: The “Amazon of Africa,” Jumia, surged 75% on its IPO day, but it’s really more of an everything-app for 14 fast-growing African nations. Netflix CEO Reed Hastings is leaving Facebook’s board because things are getting too awkward. And JPMorgan rose 5% as it kicked off earnings season, but we’re more interested in its unique window into  your wallet.