Selling by Bitcoin whales dropped BTC reserves at major exchanges and triggered today’s sell-off to $8,900.
Source: https://cointelegraph.com/news/bitcoin-price-drop-to-89k-caused-by-whales-selling-at-major-exchanges
Bitcoin Price Drop to $8.9K Caused by Whales Selling at Major Exchanges
June 15, 2020
CoinTelegraph