出典:Wiktionary
stock market crash (複数形 stock market crashes)
出典:Wikipedia
出典:『Wikipedia』 (2011/06/30 03:59 UTC 版)
A stock market crash is a sudden dramatic decline of stock prices across a significant cross-section of a stock market, resulting in a significant loss of paper wealth. Crashes are driven by panic as much as by underlying economic factors. They often follow speculative stock market bubbles.