The U.S. IPO market, which has been in the doldrums for nearly two years amid rising interest rates, higher inflation, geopolitical tensions and the Russia-Ukraine conflict, seems to be springing back to life. Trio Listing Leases Life to IPO British chipmaker Arm Holdings, which debuted on Nasdaq, soared as much as 21% on the first day, pushing the market cap to more than $65 billion. Online bank Chime Financial, targeting young adult customers, was expected to go public last year at a valuation approaching $25 billion but it delayed its IPO move in a down market.