A surge in shares of Circle Internet Group Inc., lifted by a wave of optimism about US stablecoins, has investors and market-watchers alike wondering just how much upside could be left in the near-term for the newly publicly-traded company.

Circle’s stock ripped through another ceiling on Friday, jumping 22% to hit a record high of $250, after Seaport Global slapped a buy rating on it for the

Wall Street’s enthusiasm for stocks with exposure to the rapidly growing world of stablecoins continued on Monday, as shares of Fiserv rallied after the financial-technology giant entered the arena.