Cryptocurrencies tumble, with bitcoin falling 7% and ether down 9% in the last 24 hours By: CNBC.com News January 20, 2022 at 22:38 PM EST Bitcoin plummeted by more than 7% in the last 24 hours, and ether dived more than 9%, according to CoinDesk. Read More >> Related Stocks: Bitcoin (Bitstamp) Bitcoin Composite