Fund extension refers to the behavior that after the expiration of the fund opening period, the fund shares that have not been applied for subscription or withdrawal are automatically extended to the next opening period. Fund companies usually provide investors with the service of fund extension, which can help investors to take fewer steps and automatically reinvest idle funds in the next period to obtain more income.

First of all, the extension of funds is convenient and quick, saving time and effort. Secondly, the extension of the fund can help investors keep the pace of investment and avoid the loss of interests caused by negligence, forgetting to buy and withdraw cash. Thirdly, fund extension is a more stable investment method than cash withdrawal, which can reduce the risk of investors' frequent operations in the short term.

What problems should be paid attention to in fund renewal?

First of all, investors should choose reliable fund companies to ensure the safety and reliability of fund extension services. Secondly, investors need to carefully consider whether to use the fund extension service before the fund opening period expires. Finally, investors should pay attention to the income of the fund during the extension period and the possible impact on personal financial planning.