什么叫跌破30日线？

中文段落：

跌破30日线，是股票市场中常用的一个技术术语，它描述的是股票价格在一段时间内，连续下跌并突破了30日均线的情况。30日均线，也被称为月线，通常被投资者视为一个重要的参考指标，因为它能够反映股票价格的短期趋势。当股票价格跌破30日均线时，通常被视为一个卖出的信号，意味着短期内市场对该股票的看法偏空。

跌破30日线的出现，往往是由于多种因素共同作用的结果。其中，市场情绪的变化、宏观经济环境的影响、公司业绩的波动等都可能是导致股价下跌的原因。当这些因素对股票价格产生负面影响时，投资者信心受挫，纷纷选择卖出股票，从而推动了股票价格的下跌。

对于投资者而言，跌破30日线是一个重要的警示信号。它提醒投资者，股票市场的短期趋势已经发生变化，需要及时调整自己的投资策略。此时，投资者应该密切关注市场动态，结合其他技术指标进行分析，以做出更为明智的投资决策。

然而，需要注意的是，跌破30日线并不意味着股票价格一定会继续下跌。在股票市场中，股价的波动是受到多种因素影响的，投资者应该全面考虑市场情况，避免盲目跟风。同时，投资者也应该根据自己的风险承受能力和投资目标，合理配置资产，实现稳健的投资收益。

英文段落：

Falling below the 30-day moving average, commonly referred to as "breaking below the 30-day line," is a technical term frequently used in the stock market. It describes a situation where a stock price continuously declines and breaks below the 30-day moving average over a certain period. The 30-day moving average, also known as the monthly line, is often regarded as an essential reference indicator by investors as it reflects the short-term trend of stock prices. When a stock price falls below its 30-day moving average, it is typically viewed as a sell signal, indicating a bearish sentiment towards the stock in the short term.

The occurrence of falling below the 30-day line is often the result of various factors working together. Changes in market sentiment, the impact of the macroeconomic environment, and fluctuations in corporate earnings are among the potential reasons for a stock price decline. When these factors exert negative influence on a stock price, investor confidence may be dampened, leading to a sell-off and subsequent decline in the stock price.

For investors, falling below the 30-day line serves as an important warning signal. It alerts investors to changes in the short-term trend of the stock market, necessitating timely adjustments to their investment strategies. During such times, investors should closely monitor market dynamics and analyze other technical indicators to make more informed investment decisions.

However, it's crucial to note that falling below the 30-day line does not necessarily imply that the stock price will continue to decline. In the stock market, stock price fluctuations are influenced by a myriad of factors, and investors should consider market conditions comprehensively, avoiding blindly following trends. Simultaneously, investors should allocate their assets reasonably based on their risk tolerance and investment objectives to achieve stable investment returns.