1. Rubber: The rubber futures price fluctuates greatly, which is influenced by domestic and international economic environment, policy factors and natural rubber output. In recent years, the price of rubber fluctuates violently in the range, sometimes reaching thousands of points in one day.

2. Copper: Copper futures prices fluctuate greatly due to global economic trends, market supply and demand and other factors. Recently, copper prices have fluctuated by hundreds of points a day.

3. Crude oil: The futures price of crude oil fluctuates greatly due to factors such as international politics, economy and market supply and demand. In recent years, the price of crude oil fluctuates violently in the range, sometimes the fluctuation range can reach thousands of points a day.