An insurance company organized under this title may not deal or trade, directly or indirectly, in the buying or selling of any goods, wares, merchandise, or other commodities whatsoever, except such as may have been insured by the company and are claimed to be damaged by reason of the risk insured against. Prohibits most favored nation clauses in an agreement between an insurance carrier and a participating provider as an unfair method of competition. A most favored nations clause is an agreement between a payer (such as an insurance company) and a provider that typically requires a provider to give the payer the lowest rate that it gave to any other comparable payer, which can be anticompetitive by encouraging oligopolistic pricing by large payers and increasing barriers for new entrants.