Chairman and chief executive of Alibaba Group Jack Ma speaks at a news conference in Beijing

Chairman and chief executive of Alibaba Group Jack Ma speaks at a news conference in Beijing, January 19, 2011. Alibaba Group and its financing partners will spend $3 billion-$4.5 billion over the medium term to set up a warehouse network in China to capitalise on the booming e-commerce market. REUTERS/Jason Lee (CHINA – Tags: BUSINESS SCI TECH)