As the U.S.-Iran war heats up again, these parts of the stock market and economy could be affected

by | Nov 14, 2026 | Stock Market

As the U.S.-Iran war heats up again, these parts of the stock market and economy could be affected

Intensified military operations between the U.S. and Iran over the weekend prompted markets and economists to weigh potential economic consequences. The U.S. completed its 10th consecutive night of strikes against Iran on Monday following a Houthi maritime embargo declaration against Saudi Arabia. A third service member death raised concerns about a prolonged and more severe conflict.

Stock market indices showed resilience despite geopolitical tensions, with the S&P 500 falling only marginally and remaining approximately 2% below its all-time high established in June. The index had climbed substantially from its late March closing low of 6,343.72. Analysts attributed the relatively modest market reaction to investor belief that neither the U.S. nor Iran desired full-scale war, given mutual risks to global economic stability. Market attention remained focused on corporate earnings strength during the second-quarter reporting season and softer-than-expected inflation data.

However, rising energy and bond prices presented emerging concerns. Brent crude briefly exceeded $90 per barrel on Monday and remained near that level on Tuesday. The U.S. 10-year Treasury yield climbed above 4.6%, a level closely monitored by traders. Market strategists warned that sustained elevated energy prices could force downward revisions to earnings estimates and potentially trigger market corrections. The S&P 500’s technology sector, weighted at 38% of the index and relatively insulated from energy price increases, was expected to provide support. Conversely, energy companies and logistics firms dependent on fuel faced headwinds.

Economists expressed heightened concerns about consumer impacts. Moody’s Analytics estimated American households had absorbed approximately $1,100 in combined losses from war-related factors including elevated energy costs and military spending. Personal savings rates had declined sharply, with the May personal saving rate at 3%, down nearly 2 percentage points year-over-year. Gasoline prices reached $4 per gallon on Monday for the first time in more than a month, according to AAA. While higher fuel costs were expected to elevate consumer price index readings, core inflation excluding volatile components might remain stable enough to prevent Federal Reserve rate increases, with futures markets pricing in more than 83% likelihood of steady rates at the next central bank gathering.

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