Fiserv Inc. is lauching its own stablecoin and joining with both traditional and crypto payments firms PayPal Holdings Inc. and Circle Internet Group Inc. to develop products for financial institutions and merchants within the banking technology provider’s ecosystem. Fiserv aims to have its FIUSD stablecoin available for customers by the end of the year, the firm said in a statement Monday. Financial terms of the other agreements weren’t disclosed. Shares of Milwaukee-based Fiserv jumped more th...