 Sorrento Therapeutics Inc NASDAQ: SRNE is trading higher Thursday after the company received EUA approval and a product import license from COFEPRIS for its rapid COVID-19 test, COVI-STIX. COVI-STIX is a 15-minute rapid diagnostic test for the detection of the SARS-CoV-2 virus nucleocapsid antigen in nasal or nasopharyngeal samples of patients. 