Trustmark National Bank's HighYield Checking Account is a personal transaction account allowing customers the option to write unlimited checks and keep funds liquid while earning a favorable interest rate based on their balance. Account features include a minimum opening balance of $5,000, $10.00 monthly service charge waived with a balance of $5,000 or more, pays interest according to balance tiers at a competitive rate (subject to change daily) and detailed monthly statement with imaged checks.