Medline shares surged more than 40% in their hotly anticipated New York debut on Wednesday, valuing the medical supply giant at 54billioninthelargestUSinitialpublicofferingsinceRivian’s2021listing,cappingastrongyearfornewlistingsandfuelingoptimismfor2026.Sharesofthecompanyopenedat35, compared with its IPO price of 29pershare.Thestockclosedat41.The medical supplies maker and distributor — acquired for $34 billion in 2021 by Blackstone, Carlyle and Hellman & Friedman i ...