Nomura will appoint securities unit head Koji Nagai as its new CEO after Kenichi Watanabe quit to take responsibility for an insider trading scandal at Japan's top investment bank. People with knowledge of the situation had earlier said the resignations of Watanabe and his top lieutenant, Takumi Shibata, were approved at a board meeting on Thursday morning. The departure of the architects of Nomura's takeover of the Asian and European assets of Lehman Brothers raises questions about the future of the global expansion strategy they pursued. Nagai, a three-decade company veteran, took over that unit in April as part of ... (full story)