According to Edward Dowd on Twitter, Moderna has withdrawn its application for a COVID-flu combination vaccine, as reported by Reuters. This decision signals regulatory or commercial challenges for the biotech sector, potentially affecting investor sentiment towards biotech stocks. The move could also influence crypto market sentiment, as traders often track global health developments for potential impacts on risk appetite and sector rotation trends. Historical data shows that major pharmaceutical news can trigger volatility in both equity and crypto markets due to shifts in investor focus and capital flows (Source: Reuters, Twitter/Edward Dowd).