As Presidents Day approaches, many are inquiring about the services and establishments that will be operating on this federal holiday. While schools and several banks will remain closed, various retail stores such as Publix in Florida will be open. The stock market will not be open today, affecting investors. Additionally, the USPS will not deliver mail, as post offices are closed. This holiday presents a mix of operations across different sectors, and residents are advised to check local listings to confirm what services are available in their area.