道瓊斯指數9月9日（週三）收盤下跌404.99點，跌幅0.77%，報52381.08點； 標普500指數9月9日（週三）收盤下跌37.03點，跌幅0.48%，報7636.49點； 納斯達克綜合指數9月9日（週三）收盤下跌168.07點，跌幅0.64%，報26253.34點。

2026年國家基本醫保藥品目錄談判競價協商收官。

NOAA’s National Centers for Environmental Information said on Sept. 9 that summer 2026 was the hottest on record for the contiguous U.S. The summer mean temperature was about 23.6°C, roughly 1.7°C above the 20th‑century average and about 0.2°C above the prior record. August 2026 was the hottest August on record for the contiguous U.S., with a mean temperature near 24.2°C (about 1.9°C above the 20th‑century average) and an average daily maximum around 31.4°C, also a record.