Why Arcturus Therapeutics Stock Is Plunging Today

Why Arcturus Therapeutics Stock Is Plunging Today

Shares of Arcturus Therapeutics (NASDAQ: ARCT) were plunging 32.3% as of 11:43 a.m. EDT on Wednesday. Reports surfaced yesterday that one of the participants in Moderna's phase 1 study of its COVID-19 vaccine candidate experienced a severe reaction. STAT News' Matthew Herper reported on Tuesday that Ian Haydon developed a high fever after receiving a second dose of Moderna's experimental COVID-19 vaccine.