tumble
verb [ I ]
STOCK MARKET uk/ˈtʌmbl/ usto go down in amount or value very quickly and suddenly:
tumble to sth (from sth) Its stock has tumbled to $1.62 a share from a high of $14 last week.
tumble 20%/20 points/20 cents December crude oil tumbled 51 cents to $24.34 a barrel.
Stock and bond prices tumbled sharply.
tumble
noun [ C ]
uk/ˈtʌmbl/ usa sudden and large reduction in value or amount:
Financial stocks are expected to take a tumble as interest rates rise.