An uptick in the USD currency index produces an instant plunge for BTC/USD, with the largest cryptocurrency sinking 5% on the day.
Source: https://cointelegraph.com/news/bitcoin-drops-to-111k-as-usd-currency-index-frustrates-btc-price
Bitcoin drops to $11.1K as USD currency index frustrates BTC price
September 2, 2020
CoinTelegraph