A U.S. District Court has allowed key antitrust claims against Shopify (NasdaqGS:SHOP) to proceed in an ongoing case brought by Sezzle. The ruling permits core monopolization and restraint of trade allegations to move forward, rather than dismissing them at this stage. The decision does not establish liability, but it keeps legal and regulatory risk on the table for Shopify. Shopify runs a commerce platform that helps merchants set up online stores, process payments, and connect with third...