STJK has never heard of this platform, and neither have the related query channels. If you can't even find the basic information, then you can definitely conclude that this is a black platform! If it's all black platforms, it must be abnormal. There are many big platforms and good platforms now. Don't be such a platform that you haven't heard of or can't find. Choosing a reliable platform is also responsible for your own property and yourself. Investment is risky. Don't fall into the whirlpool of risk before entering the market! I. The four major stock exchanges in the world The four major stock exchanges in the world refer to: Tokyo Stock Exchange, London Stock Exchange, new york Stock Exchange and Nasdaq Stock Exchange. Tokyo Stock Exchange is a membership-based stock exchange, and only securities companies that meet certain standards are eligible to become members of the exchange. At present, there are more than 100 member securities companies, about one fifth of which are foreign-funded securities companies. London Stock Exchange is one of the four largest stock exchanges in the world. As the most international financial center in the world, London is not only a global leader in European bond and foreign exchange transactions, but also accepts more than two-thirds of international stock underwriting business. The size and location of London means that it provides an ideal gateway to Europe for companies and investors all over the world. The London Stock Exchange plays a central role in maintaining London's leading position. The London Stock Exchange operates the most powerful stock market in the world, and its foreign stock trading volume exceeds that of any other stock exchange. New york Stock Exchange is the second largest stock exchange in the world. It used to be the largest exchange until the trading volume of 1996 was surpassed by Nasdaq. At the end of April, 2005, new york Stock Exchange and all-electronic stock exchange (Islands) merged into a profit-making institution. New york Stock Exchange Co., Ltd. is headquartered at Broadway 1 1 in new york, New York, USA, on the south side of the corner of Wall Street. About 2,800 companies are listed on the new york Stock Exchange, with a global market value of 15 trillion US dollars. By July 2004, 30 companies in the Dow Jones Industrial Average were listed on the new york Stock Exchange, except Intel and Microsoft. On June 1 2006, new york Stock Exchange announced its merger with Euronext to form NYSE Euronext. Nasdaq (National Association of Securities Dealers Automated Quotation System) was founded and managed by National Association of Securities Dealers (NASD). It is the first electronic trading market in the world established by 197 1 in Washington.