The 2015 IPO business finally gets going By: CNBC.com News April 15, 2015 at 10:11 AM EDT Initial public offering activity in the first quarter of 2015 was at half the levels for deals in the same period of last year. Read More >> Related Stocks: Aduro Biotech Etsy Inc Morgan Stanley Party City Holdco Inc The Michaels Comp Virtu Financial Cm A