Medline Inc. shares surged 21% in their trading debut, after the medical supplier raised $6.26 billion in the year’s biggest initial public offering.  The shares opened at $35 each, versus the IPO price of $29. Medline, which counts Blackstone Inc., Carlyle Group Inc. and Hellman & Friedman among its backers, sold 216 million shares in an upsized offering that priced near the top of the marketed range. Bloomberg's Bailey Lipshultz joins to discuss. (Source: Bloomberg)