Lenovo replaced Bill Amelio, its American chief executive, with Yang Yuanqing, his predecessor, and called Liu Chuanzhi, co-founder, back in as chairman three months ago.

• 3个月前，联想集团由前任美国行政长官杨元庆替代了现任阿梅里奥的职务，同时召集联合创始人柳传志重新回来担任董事长。