The IPO of the year, the biggest one, uh, popping on its open last hours, just a few minutes ago, really after some middling performance in the IPO market generally. Is it a sign of pent-up demand into mega offerings like SpaceX next year. A sigh of relief for the private equity space, too.Leslie Picker has more over at the NASDAQ. Leslie, hey, Kelly, [music] yes. The largest IPO of the year, Medline, opening for trading about 15 minutes ago at $35 per share.That's up more than 20$29 ...