The stock jumps more than 3% in after-hours trading, propelled by signs of more Web traffic and a brighter revenue forecast.
The Chinese company may add more shares to the deal, pushing the offering beyond $20 billion.
The company is growing, but it needs to grow fast enough for the uber-excited bulls.
The company, headed for an IPO later this year, is worth as much as 10 Tesla Motors combined, says Bernstein's Carlos Kirjner.
Henrique de Castro got a whopper of a severance package after 15 months on the job. He can thank Alibaba.
The Chinese e-commerce website's transaction volume dwarfs that of eBay and Amazon.com, but the company's size could be its worst enemy.
The company is bleeding money like crazy, but it's still likely to be valued at about $3.9 billion.
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