Black Monday or also called The Crash of 1987 refers to Monday, October 19th 1987 when stock markets around the world crashed, shedding a huge value in a very short time.

黑色星期一或者也叫1987年的大跌，指的是1987年10月19日星期一，全球股市崩盤，在很短的時間內，股市價值大減。

The crash began in Hong Kong and spread west to Europe, hitting the United States after other markets had already sustained significant declines.

崩盤從香港開始，向西蔓延到歐洲，在其他市場已經持續大幅下跌後，美國也受到衝擊。

Easy, explained Black Monday is perhaps the most famous trading day in Wall Street history.

易，解釋黑色星期一或許是華爾街歷史上最著名的交易日。

In one day, the companies of the Dow Jones industrial average lost 22% of their value, or about $500 billion.

一天之內，道瓊斯工業平均指數的公司損失了22%的價值，約5000億美元。

And what is Dow Jones industrial average is the stock market index.

而道瓊斯工業平均指數是什麼，就是股市指數。

That shows how 30 large publicly owned companies based in the United States have traded during a standard trading session in the stock market.

這顯示了美國30家大型上市公司在股市標準交易時段的交易情況。

The reason for the market crash was that the supply of stock suddenly far exceeded the demand for stock, and investors, fearing that prices would continue to fall panicked.

市場暴跌的原因是股票的供應量突然遠遠超過了股票的需求量，投資者擔心價格繼續下跌而恐慌。

However, this specific causes of the market crash are controversial and numerous.

然而，這個具體的市場暴跌原因卻存在著諸多爭議。

Each factor that affected the crash was only part of a larger web of influences.

每一個影響車禍的因素都只是更大的影響網的一部分。

For example, ah popular explanation for The 1987 crash was computerized selling dictated by portfolio insurance hedges, an investment strategy where various financial instruments such as equities and debts and derivatives are combined in such a way that degradation of portfolio value is protected.

例如，1987年崩盤的流行解釋是由投資組合保險對沖所支配的電腦化銷售，這是一種投資策略，其中各種金融工具，如股票和債務和衍生品的組合，以這樣一種方式保護投資組合價值的下降。

Also, a Siris of corruption and insider trading investigations continued to get headlines in 1987 on Black Monday.

另外，1987年的黑色星期一，一場Siris的腐敗和內幕交易調查繼續登上頭條。

The heavy cell volume overwhelmed the New York Stock Exchange automated order system, and many traders simply gave up trying to execute trades.

沉重的細胞量讓紐約證券交易所的自動訂單系統不堪重負，許多交易員乾脆放棄了執行交易的嘗試。

For a time, thes events created serious information gaps and delays, which further inflame the panic.

一時間，這些事件造成了嚴重的資訊空白和延誤，這進一步加劇了恐慌。

Selling Why I t Matters Black Monday was the biggest one day loss in the history of the Dow Jones industrial average and was a reminder of the power of the markets.

銷售為什麼我很重要黑色星期一是道瓊斯工業平均指數歷史上最大的單日跌幅，也提醒了人們市場的力量。

It became an example of the power of the lack of investor confidence and the interrelation of global financial markets and economic factors.

這成為投資者信心不足的一個例證，也說明了全球金融市場和經濟因素的相互關係。