Martinko: You'll see a lot of robust activity in the IPO market from now until the end of the year

John Martinko of Drexel Hamilton and CNBC's Leslie Picker discuss the state of the IPO market, and whether there's still a healthy appetite by investors for the big tech unicorns.

Worldwide Exchange,CNBC,business news,finance stock,stock market,news channel,news station,breaking news,us news,world news,cable,cable news,finance news,money,money tips,financial news,stock market news,stocks,