CFD (Contract For Difference) is great trading instrument which can be easily unilised by retail traders. The concept of CFD trading is quite simple, you buy and sell financial markets on margin, more about CFDs - https://www.independentinvestor.com/cfd/brokers/. In general, demand for CFD trading is still growing and is expected to grow for the foreseeable future. It's a great time to learn about CFDs.