Whether investment advice should give priority to well-known companies like Apple and Microsoft depends on a number of factors, including your investment objectives, risk tolerance, investment duration, and understanding of the market. Here are some considerations： ### 1. **Investment objectives and risk tolerance** -**Long-term sound investment**: If you pursue long-term sound investment returns, well-known companies such as Apple and Microsoft may be a good choice. These companies usually have stable revenue streams, strong brand influence and high market share, and can maintain relative stability in economic fluctuations. -**High risk and high return**: If you are willing to take higher risks in pursuit of higher returns, you may need to consider some growth companies or companies in emerging industries, although they are more volatile. ### 2. **Industry and company fundamentals** -**Industry prospects**: The technology industry in which Apple and Microsoft are located has high growth potential, especially in the fields of digital transformation, cloud computing, and artificial intelligence. Understanding the prospects of these industries helps to judge the long-term growth potential of these companies. -**Company fundamentals**: Analyze the company's financial situation, profitability, market position, management team and other fundamental factors. Apple and Microsoft usually perform well in these areas, but they must also pay attention to the competition and potential risks they face. ### 3. **Valuation** -**Valuation level**: Even if it is an excellent company, if its stock price is too high, it may not be the best time to invest. You need to assess whether the valuations of Apple and Microsoft are reasonable and whether they already reflect their future growth potential. ### 4. **Diversification of investment** -**Portfolio diversification**: Even if you decide to invest in Apple and Microsoft, pay attention to diversification and avoid concentrating all funds in a few companies or industries. Diversification can reduce the risk of fluctuations in a single company or industry. ### 5. **Market environment** -**Macroeconomic and market environment**: Changes in the global economic and market environment will affect all companies, including Apple and Microsoft. Pay attention to macroeconomic indicators, interest rate changes, geopolitical risks and other factors, which may affect the performance of the stock market. ### 6. **Personal preferences and knowledge** -**Personal preferences**: If you have an in-depth understanding of the technology industry and have high confidence in these companies, then investing in Apple and Microsoft may be a reasonable choice. Conversely, if you are more familiar with other industries or companies, you can also consider investment opportunities in these areas. ### Conclusion As the world's leading technology companies, Apple and Microsoft are generally considered relatively sound investment choices, especially in long-term investments. However, investment decisions should be based on comprehensive analysis and individual specific circumstances. It is recommended to conduct sufficient research before making an investment decision and consider consulting a professional financial adviser to ensure that your investment strategy matches your financial goals and risk tolerance.