德黑蘭綜合指數下跌24000點，回落至7783000點。總交易額爲70萬億里亞爾；8200億里亞爾的個人資金從股票、優先股和股票基金中流出，8500億里亞爾從固定收益基金中流出。市場61%的股票下跌，買賣盤相對均衡，買單和賣單規模均在約5萬億里亞爾區間。

Trump said Senator Tom Cotton is blocking the Sunshine Protection Act, which would make daylight saving time permanent. He urged Arkansans to pressure Cotton to allow a Senate vote; the House passed the bill 308-117. He said over 65% favor more afternoon sunlight and that nobody wants to change clocks twice a year.

On Oct. 3 local time Tehran opened a temporary military training base at Haft-e Tir Square to train civilians to resist foreign threats including the US and Israel. The site can host air-defence equipment drills and obstacle-crossing training. Authorities have already built a similar camp at another square and plan to run public training over the coming weeks. Ali Kousari, training commander of the Basij militia, said Iran is building whole-society civil-defence capabilities and warned that if the enemy again "misjudges the situation" and launches a new attack, the Iranian public will unite to resist.