Bonds are securities: in which any of the following persons may legally and properly invest money, including capital that the person owns or controls: an officer or unit of the State or a political subdivision; a bank, trust company, savings and loan association, investment company, or other person conducting a banking business; an insurance company, insurance association, or other person conducting an insurance business; a personal representative, guardian, trustee, or other fiduciary; and any other person; and that may be deposited with and received by a unit of the State or a political subdivision for any purpose for which the deposit of bonds or obligations of the State is authorized by law.