"As an investor, I need stability, and only a commodity market can offer that," says Guruprasad Rao, an agricultural commodities broker from Dubai, on a recent trip to Addis Ababa to buy sesame seed.

According to Andy Rothman of CLSA, a broker, some traders are taking possession of agricultural commodities in the hopes that prices will rise.

I have gained some practical experience in brokerage in recent two years acting as a part-time broker with Hubei Commodities Futures Exchange.