Fraudulent group companies. At first, they will chat with you through Facebook or WhatsApp. Then she will ask you to help her with transactions, and she will pretend to help you get an investment quota, and then you will follow her trading for almost a month. They will tell you that 5,000 yuan is commission and more than 10,000 yuan is personal tax. When you fall out with them, they will block you. So before investing, please think twice.