it's true that Great Wall Motor International Gold has gone up and down. Great Wall Motor International Gold Buying Up and Buying Down is a way of futures trading, that is, on the basis of predicting the rising and falling trend of gold prices, trading operations are carried out to obtain income. You think the price of gold will go up, so you can choose to buy it and wait until the price goes up before selling it, so as to earn the difference. On the other hand, if you think the price of gold will fall, then you can choose to buy it down and wait until the price falls before buying it back, so as to earn the difference. Therefore, it is true that Great Wall Motor International Gold bought up and down.