Matters pertaining to banking; banks and trust companies; petty loan companies; building and loan associations; credit unions; investment companies; industrial loan corporations; securities; Blue Sky Law; mortgage guaranty insurance; assessment and cooperative insurance; fraternal benefit societies; hospital service corporations; burial associations; medical and dental service corporations; life, accident, indemnity, and other forms of insurance; stock and mutual insurance companies; banking and insurance aspects of the Uniform Commercial Code; interest and usury; pawnbrokers; private credit; consumer credit; sale of checks; installment sales contracts; legal investments; principal and income.