Five of France's biggest banks are facing scrutiny in an ongoing investigation into possible tax fraud. BNP Paribas and Société Générale were among the lenders whose Paris offices have been raided by French prosecutors. They're accused of helping facilitate tax avoidance related to dividend payments. Also in the show - Chinese tech giant Alibaba is split into six separate units, a day after the public reappearance of its co-founder, Jack Ma.