flash crash

(名詞) 股市急速重挫。

While individual investors have yanked more money out of U.S. stock mutual funds than they put in every week since the scary one-day "flash crash" 29 weeks ago, the pace of withdrawals is slowing.
—Adam Shell, "Some small investors buying stocks again," USA Today, November 29, 2010

Malfunctioning algorithms, "flash crashes", and complex debt-laden companies have been highlighted by the corporate regulator in its review of the Australian Securities Exchange's supervisory capabilities.
—Stuart Washington, "Regulator runs rule over ASX capabilities," The Age, December 1, 2010