Anytime a BCH or altcoin rally gets started, Tether pumps millions of artificial USDT's into Bitfinex and Bitstamp to kill it. Check out this article & also look at the exchange pumps in the last 30 or so hours -- especially the ones that happened when BCH rallies were getting started..
https://coinreport.net/tethered-to-reality/
Lots of freely-printed funny money backing cryptocurrency is a disaster waiting to happen. Any thoughts on how to expose these guys and stop this?