cryptocurrency backed by what

Personal thoughts, for reference only.Shanghai and Shenzhen 300 and A500, choose one, 70% positions,

Ordinary retail investors should not dream of grabbing meat in buying and selling stocks.GEM 50 or Shuangchuang 50, choose one, 20% position.Ordinary retail investors should not dream of grabbing meat in buying and selling stocks.

Shanghai and Shenzhen 300 and A500, choose one, 70% positions,Ordinary retail investors should not dream of grabbing meat in buying and selling stocks.What to do next for your reference.