The drop in the price of Bitcoin on July 10 to $9,100 was led by Bitstamp, data finds, coinciding with selling by BTC miners.
Source: https://cointelegraph.com/news/this-exchange-crashed-bitcoin-price-to-9k-heres-why-thats-bullish
This Exchange Crashed Bitcoin Price to $9K: Here’s Why That’s Bullish
July 11, 2020
CoinTelegraph