During the period when the price of international gold or international crude oil fluctuates greatly on the first night, if domestic gold and crude oil stop trading, the domestic opening of the next day may be greatly missed.

Gold is gold, and the chemical element symbol Au is a soft, golden yellow and corrosion-resistant precious metal. Gold is one of the rarest and most precious metals. Silver, namely silver, is called silver because of its white color, as opposed to gold. Think of it as money and decorations. In ancient times, money was called silver.