Today Bitcoin lost over $500 in under 5 minutes and most of the crypto market followed suit
Source: https://cointelegraph.com/news/bitcoin-price-drops-over-500-in-5-minutes-top-altcoin-also-see-red
Bitcoin Price Drops Over $500 in 5 Minutes, Top Altcoin Also See Red
January 19, 2020
CoinTelegraph