An amended lawsuit alleging Tether and Bitfinex manipulated the bitcoin market is now claiming Poloniex and Bittrex were also involved.
Source: https://www.coindesk.com/bittrex-poloniex-sued-tether-bitcoin-manipulation
Bittrex, Poloniex Added to Lawsuit Claiming Tether Manipulated Bitcoin Market
June 4, 2020
CoinDesk
