Before trading, a trader must think more and understand market trends. He must carry out technical and fundamental analysis. He must observe market price movements for several times before trading so that he can find out about market movement trends. He must pay attention to trading volume. Sometimes traders use large lot sizes accidentally and lose their entire account. and if you cannot understand what you are investing, forget it. You must be engraved on the computer that you use to trade. If you don't understand the industry or how the company makes a profit; forget it and choose another