Google is trading at $326.35, down 3.78% after hours amid broader risk-off sentiment as rising oil prices and Treasury yields followed the U.S.-Iran talks stalemate, reviving inflation concerns. - Shares closed September 28 at $339.16, down 0.56%, after a weak regular session. - No confirmed company-specific announcement directly explained the after-hours drop; the Anthropic model launch does not establish a direct catalyst.