While the precise birthdate of commodities trading is a bit hard to pinpoint, many believe that commodity trading is as old as human civilisation itself. One example of commodity trading is the trading of rice as the first commodity in China, 6,000 years ago. Trading with Commodity Brokers – What You Should Know ... Along with trading grain, this firm is also involved in trading other agricultural commodities, including palm oil, as well as trading steel, energy, and transport. In addition, Cargill operates a financial services arm that is responsible for managing financial risks in the commodity market.