Stock represents shares of ownership in a company. Investors who buy stock can trade their shares or keep them as long as the company is in business.

股票代表着公司的所有权。股票的持有人可以交易现有的股票，也可长期持有。

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But if they decide to keep funds in the stock market, then they have to do so with a long-term view and with an understanding that markets rise and fall.

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