Deal with it promptly.

According to the financial network query.

1. Re-evaluate investment goals.

If the fund's decline is not in line with the long-term investment plan, the investment portfolio needs to be re-evaluated to find a more suitable fund or asset portfolio.

2. Diversify investments.

Spread your money across different funds or asset classes to reduce concentration risk.

3. Consult professionals.

Investors who are worried or confused about the decline of funds can consult professional financial advisors or fund managers for professional advice and guidance.