So yet again Polo froze and caused many cryptos to loose momentum and start trending downwards again. According to this article they are having continually DDoS attacks directed at them.
But they also blame it partially on its 600% increase in active trading accounts. Wow! This is the second wave coming guys!
Wax your surfboards!
https://cointelegraph.com/news/poloniex-explains-attacks-cites-600-increase-in-active-traders-online