noun, noun or participle which takes 'suru', intransitive verb
violent fluctuation; wild swings
Primarily used in financial contexts for prices, stock markets, or exchange rates that rise and fall sharply and unpredictably.
今日の株式市場は乱高下が激しかった。
The stock market saw violent fluctuations today.
為替相場が乱高下し
Exchange rates are swinging wildly.