But just because sentiment is running in favor of the stock on the company's big day, doesn't mean everyone's sanguine about the company--or bullish on the stock
Here are some recent headlines that, for one reason or another, don't buy into the hype:
* Four-star fund manager David Rolfe at Wedgewood Partners explains to CNBC why he's avoiding the stock.
* CNBC's Jeff Cox explains why, despite its size and success, U.S. investors might want to be wary of the company.
* Even though Alibaba has worked hard to get counterfeiters off its e-commerce platform, experts think the company has a long way to go before its truly clean.
* Finally, there are some aspects to the company's structure that might make some U.S. investors think twice about owning it.