In this turbulent market, the market rises and falls every day, and no one knows what will happen tomorrow. Earnings news can make the stock market go up and down, but we must always be vigilant and analyze the current market demand and supply. By observing the technical chart of the stock, the company's statements and the company's future development prospects, and always paying attention to the company's news and news to determine whether the stock should be bought and held for a long time. Choose some companies to continuously improve and innovate in technology and seize the market. Always observe the market for bargain hunting and long-term holding.