ARKG is trading at $47.95, down -3.81%, as surging oil amid reported Strait of Hormuz tanker incidents fuels inflation fears and broad risk aversion. - Weakness in growth and technology shares, along with concerns over AI spending, adds pressure on market sentiment. - Healthcare stocks softened late October 21, but reporting does not establish a specific October 22 sector-wide catalyst; macro-driven selling is the clearest explanation, not a confirmed ARKG holding-specific event.