Everbright Advantage 360007 may be a fund or a stock, but you didn't provide specific information, so I can't give a clear suggestion. Investment is always risky, and ups and downs are normal. When deciding whether to sell or wait, you need to consider the following factors:
1. investment period: can you accept holding this investment for a long time? If you need to use this fund in the short term, then you may need to consider selling it.
2. Investment objective: What is your investment objective? If this investment has deviated from your investment goal, you may need to reconsider your investment strategy.
3. Market situation: What is the current market situation? If the market as a whole is in a downward trend, it may affect your investment performance.
4. Fundamental analysis: What are the fundamentals of this investment? If the company's operating and financial conditions are good, its future development prospects can be expected, which may be worth continuing to hold.
5. Technical analysis: What is the technical trend of this investment? If the technical indicators show that there is a possibility of a rebound in the future, then you may choose to keep it.
Based on the above factors, you can judge whether to sell or wait according to your actual situation. Before making any investment decision, please make sure that you fully understand the risks and consult a professional investment consultant.