ソース:[1] AstraZeneca Shares Surge 14% as Investment Pause Spurs Fresh Valuation Debate (https://finance.yahoo.com/news/astrazeneca-sh ...)[2] Market Commentary: Week to 7 October 2025 - Walker Crips (https://vertexaisearch.cloud.google.com/groun ...)[3] AstraZeneca to upgrade US listing in 'knock-back for London' - The Guardian (https://vertexaisearch.cloud.google.com/groun ...)