美國五角大樓就第七批解密的不明航空現象（UAP）文件發表聲明。

香港恆生指數10月23日（週五）收盤上漲158.69點，漲幅0.69%，報23093.37點； 香港恆生科技指數10月23日（週五）收盤上漲77.73點，漲幅2.05%，報3871.66點； 國企指數10月23日（週五）收盤上漲67.06點，漲幅0.87%，報7756.25點； 紅籌指數10月23日（週五）收盤上漲7.5點，漲幅0.2%，報3842.67點。

On Oct. 23 China published its position on strengthening outer space governance, calling for respect for states' rights to fair, non‑discriminatory access to and use of outer space, opposing use of outer space to carry out actions that harm other states' sovereignty, security or development interests, and affirming respect for the sovereignty, security and legitimate rights of states' space assets, activities and personnel.