The stock market in the USA is a casino for the rich, where true and false news are equally divided, making it difficult for ordinary people to distinguish, while institutions and financial analysis rely on insider information. Predictions like advertisements and news from half a year ago have been released, and most of the recent operating news of popular stocks will have to wait for the right moment. Choosing stocks to trade separately, trading in Chinese concept stocks will either die the next day or rise after being pushed down. Not for making money, because the pool is small and it is easy to damage the market, and it takes a few days to repair. State-owned enterprises listing in Hong Kong to attract foreign investment, where the proportion of the main large shareholders holding 67% is bullish on the operation and can be held, or Chinese companies that are small but have a solid background can also be held.