中文：

除权日是指上市公司进行股票分割或发放股票股利的日子。在这一天，公司的股票会被分割成较小的份额，或者公司会向其股东发放额外的股票，以增加其持股数量。除权日的具体日期通常会在公司的公告中公布。

除权日的出现往往意味着公司经营状况良好，有足够的盈利来回馈股东。通过发放股票股利或进行股票分割，公司可以降低股票价格，使更多的投资者能够购买公司的股票，从而增加公司的流通性和交易量。

对于投资者而言，除权日可以提供额外的投资机会。如果公司公告中明确表示将进行股票分割或发放股票股利，投资者可以根据公告信息来评估公司的未来发展前景和投资价值。此外，投资者还可以利用除权日期间的股价波动来获取短线交易利润。

英文：

Ex-rights day refers to the day when a listed company conducts stock dividends or issues additional stocks to its shareholders. On this day, the company's stocks will be divided into smaller shares, or the company will issue additional stocks to its shareholders to increase their shareholding. The specific date of ex-rights day is usually announced in the company's announcement.

The emergence of ex-rights day often means that the company is in a good operating condition and has sufficient盈利to reward shareholders. Through dividends or stock dividends, the company can reduce stock prices, allowing more investors to purchase its stocks, thus increasing the company's liquidity and trading volume.

For investors, ex-rights day can provide additional investment opportunities. If the company's announcement clearly indicates that stock dividends or stock splits will be issued, investors can evaluate the company's future development prospects and investment value based on the announcement information. In addition, investors can also use the stock price fluctuations during ex-rights day to obtain short-term trading profits.