An employee walks past the Alibaba logo at the company’s headquarters outside of Hangzhou, China.

Reports indicate after just two days of its roadshow in New York and Boston. Given there are several more days left and other cities to visit, this would indicate enthusiasm is very high.

However, there are a few reasons to be very cautious about this. First off, with all high-demand IPOs, institutions routinely put in much more than they expect to get. And underwriters only give clients a part of the shares they ask for.