A worker walks past a logo of Alibaba Group at its headquarters on the outskirts of Hangzhou, Zhejiang province, in this August 24, 2013 file photo. Alibaba is going to tell the world how much it is ... more 
A worker walks past a logo of Alibaba Group at its headquarters on the outskirts of Hangzhou, Zhejiang province, in this August 24, 2013 file photo. Alibaba is going to tell the world how much it is seeking to raise when it releases details of its IPO on May 5 or 6, 2014 in what could be the largest tech company IPO in history. Picture taken August 24, 2013. REUTERS/China Daily/Files (CHINA - Tags: BUSINESS LOGO SCIENCE TECHNOLOGY) CHINA OUT. NO COMMERCIAL OR EDITORIAL SALES IN CHINA less 
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Mon, May 5, 2014 2:15 AM EDT