Why Heat Biologics Stock Is Popping Today

Shares of the developmental biotech Heat Biologics (NASDAQ: HTBX) jumped by as much as 21% in pre-market trading Wednesday morning. The company's shares perked up in response to the release of a pre-print (a preliminary article that has yet to be peer-reviewed) discussing the animal data for its COVID-19 vaccine candidate. The pre-print is currently available on bioRxiv's website. 

Heat's COVID-19 vaccine candidate uses a cellular heat shock chaperone protein, glycoprotein 96 (gp96), to deliver the SARS-CoV-2 spike protein to the immune system. This novel vaccine reportedly triggered strong cell-mediated immune responses in the respiratory tissue of transgenic mice.

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Source Fool.com