Chembio’s stock more than doubles off 11-year low after large order for COVID-19 antigen tests July 21, 2021 admin Trading Ideas Comments Off on Chembio’s stock more than doubles off 11-year low after large order for COVID-19 antigen tests …read more Source:: Yahoo Finance Get our FREE Newsletter! Discover Stocks with +1,000% Upside Potential! Thank you for subscribing. Something went wrong. Join over 100,000 investors and business leaders worldwide. Discover the Next Super Stock before the rest of the crowd. Your privacy is our priority. Your email address will never be sold or shared with anyone else.