Authors: Jeff Covell Pete Drewienkiewicz Jason Orlosky

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March 2026

Periods of geopolitical conflict can be unsettling for investors, as uncertainty often rises quickly and new developments can affect the global economy with little warning. Broader market reaction to the conflict in Iran has been relatively contained to this point, with the S&P 500 trading about three percent below its recent all-time high.

While the immediate reaction has been modest, the coming days will be important as the situation continues to evolve. To better understand how the conflict may affect investors' portfolios, it's often helpful to review how the conflict began and what has unfolded thus far.

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