股票闪崩是指股票或其他金融产品在短时间内突然大幅下跌的现象。这种现象通常发生在市场交易活跃的时候，可能会导致投资者遭受重大损失。

中文段落：

股票闪崩是指股票或其他金融产品在短时间内突然大幅下跌的现象。这种现象通常是由市场恐慌、谣言、基本面恶化或其他意外事件引起的。股票闪崩可能会导致股价暴跌，投资者信心受挫，市场波动加剧。为了避免股票闪崩，投资者应该加强风险管理，了解市场动态，并保持冷静的头脑。

英文段落：

Stock flash crash refers to the phenomenon of sudden and大幅下跌sharp decline in the stock or other financial products within a short period of time. This phenomenon is usually caused by market panic, rumors, worsening fundamentals, or other unexpected events. Stock flash crashes can lead to a sudden plunge in stock prices, a blow to investor confidence, and increased market volatility. To avoid stock flash crashes, investors should strengthen risk management, stay informed of market developments, and maintain a cool head.