大だい暴ぼう落らく

noun

great crash; nosedive; plunge

Used for a sudden, severe drop in stock markets, prices, or values. Often appears in financial news.

• 株かぶ価かの大だい暴ぼう落らくで多おおくの投とう資し家かが損そん失しつを出だした。

  Many investors suffered losses due to the great crash in stock prices.