Why Moderna Stock Is Sinking This Week

Moderna's sell-off this week is for the birds. Shares of Moderna (MRNA 2.41%) were sinking 9% lower this week as of Thursday's market close, according to data provided by S&P Global Market Intelligence. The decline appears to be the result of investors taking profits after Moderna stock soared 25% last week. What's behind the big moves for Moderna? Avian flu. Reports of human cases of H5N1 avian flu (also known as bird flu) in Australia and the U.S. caused several vaccine stocks to jump last week. The sell- ...