The Wall Street Journal | Joanne Chiu and Anna Hirtenstein: Tehran’s military response to the U.S.’s killing of a key Iranian general rattled markets, but the moves in stocks, bonds, and commodities quickly moderated as investors reassessed the chances of a broader conflict.

U.S. futures edged up, with securities tied to the S&P 500 gaining 0.1%, having earlier fallen as much as 1.7%.

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