Chembio’s stock more than doubles off 11-year low after large order for COVID-19 antigen tests
Shares of Chembio Diagnostics Inc.
CEMI,
-16.26%
rocketed 102% on heavy volume in premarket trading Wednesday, infectious diseases diagnostic company announced a $28.3 million purchase order its SARS-CoV-2 antigen tests from Brazil-based Bio-Manguinhos….
