Stock market today: Dow, S&P 500, Nasdaq Fall as Trump Says US to Attack Iran Hard

U.S. stocks faced pressure due to rising tensions with Iran and comments from Trump, leading to declines in major indexes. Concerns over potential disruptions in energy flows influenced market reactions, while oil prices surged amid escalating conflict.

By William Collins, consultant in stock markets – Eurasia Business News, June 10, 2026. Article no 3011

U.S. stocks were under pressure today as renewed Iran tensions and Trump’s hardline comments pushed traders toward safety; futures and major indexes were down while oil moved higher. Global shares fell and Wall Street futures weakened after Trump warned Iran would “pay the price,” and market coverage showed the Dow, S&P 500, and Nasdaq all lower. This is a bad day after the mixed session yesterday.

The blue chip Dow (DJI) was -1.3%, the benchmark S&P 500 (SP500) was -1.1%, and the tech focused Nasdaq Composite (COMP:IND) was -1.5%.

Why investors reacted

The immediate concern is that escalating conflict could disrupt Middle East energy flows and keep oil prices elevated, which tends to pressure equities and especially rate-sensitive growth stocks.

Tech shares were also under strain, which matters because the Nasdaq is more exposed to momentum and valuation-sensitive names.

In this kind of tape, traders often rotate out of risk assets and into energy, defense, and cash-like havens until the policy and military picture is clearer.

The May U.S. Consumer Price Index came in at +0.5% M/M vs. +0.5% consensus and +4.2% Y/Y vs. +4.2% consensus and +3.8% in April. Core CPI (excludes food and energy): +0.2% vs. +0.3% consensus and +2.9% Y/Y vs. +2.9% consensus and +2.8%.

The 4.2% annual rise in CPI inflation was in line with expectations; however, the hot reading may boost bets that the Federal Reserve will hike interest rates this year.

Treasury yields inched up. The U.S. 2 Year Treasury yield (US2Y) added 1 basis point to 4.13%. At the same time, the U.S. 10 Year Treasury yield (US10Y) advanced by 3 basis points to 4.54%, and the U.S. 30 Year Treasury yield (US30Y) climbed 3 basis points to 5.03%.

Oil prices were higher on June 10, with WTI crude trading around $91.42 per barrel, up 3.65% in midday trading after U.S.-Iran strike headlines intensified. A separate futures snapshot earlier that morning showed front-month WTI around $87.80, but the market moved sharply higher as the session progressed.

Gold and silver were both elevated today with gold around $4,344 per ounce and silver around $69 per ounce in U.S. spot pricing cited that morning.

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