【中文版】

在股票市场中，大小非是指两种不同的股东类型。大非指的是大股东，通常是持有大量股票的机构投资者或个人投资者。小非则是指小股东，通常是持有少量股票的散户投资者。

大小非在股票市场中的表现和作用是不同的。大非通常具有较为雄厚的资金实力和决策能力，能够影响公司的经营和发展方向。他们可能会通过参与股东大会、董事会等公司治理机构，对公司的重大决策进行表决，甚至直接参与公司的经营管理。因此，大非在股票市场中的影响力不可忽视。

相比之下，小非则具有较少的决策权和影响力。由于资金实力和持股量的限制，小非通常难以参与公司的决策和管理，只能在股票市场上进行短线交易和投资。因此，小非在股票市场中的风险也相对较大，需要谨慎选择投资标的和操作策略。

需要注意的是，大小非并不代表所有股东的利益。在某些情况下，大非可能会与公司管理层合谋，损害其他股东的利益。因此，投资者在选择股票时，需要关注公司的治理结构和股东权益保护情况，避免因大小非的不当行为而遭受损失。

【英文版】

In the stock market, "big and small non-traders" refer to two different types of shareholders. Big non-traders refer to large shareholders, usually institutional investors or individual investors who hold a large amount of stocks. Small non-traders refer to small shareholders, usually retail investors who hold a small amount of stocks.

Big and small non-traders have different performance and roles in the stock market. Big non-traders usually have strong financial strength and decision-making ability, and can affect the company's management and development direction. They may participate in the company's governance institutions such as shareholder meetings and boards of directors, vote on the company's major decisions, and even directly participate in the company's management and operation. Therefore, the influence of big non-traders in the stock market cannot be ignored.

Compared to small non-traders, they have less decision-making power and influence. Due to restrictions on financial strength and shareholding quantity, small non-traders usually have difficulty participating in the company's decision-making and management, and can only engage in short-term trading and investment in the stock market. Therefore, the risk of small non-traders in the stock market is relatively high, and they need to carefully select investment targets and operating strategies.

It should be noted that big and small non-traders do not represent the interests of all shareholders. In some cases, big non-traders may collude with company management to harm the interests of other shareholders. Therefore, when investors choose stocks, they need to focus on the company's governance structure and shareholder rights protection to avoid losses caused by improper behavior of big and small non-traders.