ZYXI - Zynex up 20% on improved fundamentals January, 09 2020 02:24 PM Zynex Inc. Thinly traded micro cap Zynex (ZYXI +20.4%) is up on a healthy 43x surge in volume in response to a recent acceleration in its business.More news on: Zynex, Inc., Healthcare stocks news, Stocks on the move, Read more ...