Last week saw sizzling activity in the IPO market. Bazaarvoice (NYSE:BV), which is a cloud-based platform that analyzes social media, posted a 37.6% return. But the big winner was Proto Labs (NYSE:PRLB), which surged over 81%. The company has an automated system that allows manufacturers to easily prototype new products.
The current week has four IPOs on tap. And the group is fairly diverse — ranging from social media to semicond