为什么会尾盘跳水？

中文：

尾盘跳水是指股票在交易日即将结束时出现大幅下跌的现象。这种情况常常让投资者措手不及，因为尾盘跳水往往在短时间内造成巨大的损失。那么，为什么会发生尾盘跳水呢？

首先，市场情绪是一个重要原因。当市场情绪悲观时，投资者信心不足，纷纷抛售股票，导致股价下跌。此外，如果大盘走势不佳，或者某些行业或个股出现利空消息，也可能引发尾盘跳水。

其次，资金流动也是影响尾盘跳水的重要因素。如果市场资金流出大于流入，那么股价就可能下跌。特别是当机构资金或大户资金撤离市场时，往往会导致股价的大幅下跌。

最后，技术因素也可能导致尾盘跳水。例如，某些技术指标出现超买或超卖信号，或者股价触及重要均线时，都可能引发投资者的恐慌情绪，从而导致股价跳水。

综上所述，尾盘跳水的原因多种多样，包括市场情绪、资金流动和技术因素等。投资者在面对尾盘跳水时，应保持冷静，理性分析市场走势，以便做出正确的投资决策。

英文：

Why Would the Market Experience a Late-Day Sell-Off?

The late-day sell-off refers to a sharp decline in stock prices near the end of a trading day. This situation often catches investors off guard as it can cause significant losses in a short period of time. So, what causes a late-day sell-off?

Firstly, market sentiment plays a crucial role. When sentiment is bearish, investors lack confidence and tend to sell their stocks, leading to a decline in prices. Additionally, a weak overall market performance or negative news regarding certain industries or individual stocks can also trigger a late-day sell-off.

Secondly, capital flows significantly impact the late-day sell-off. If the outflow of market funds exceeds the inflow, stock prices may decline. Especially when institutional or large investors withdraw their funds from the market, it often leads to a significant drop in stock prices.

Lastly, technical factors may also contribute to the late-day sell-off. For instance, certain technical indicators showing overbought or oversold signals, or stock prices touching important moving averages, can trigger panic among investors, leading to a plunge in stock prices.

In conclusion, the reasons for a late-day sell-off are diverse, encompassing market sentiment, capital flows, and technical factors. When facing a late-day sell-off, investors should maintain calm and analyze market trends rationally to make informed investment decisions.