Wholesale inflation stirred up by Iran war and high oil prices. What does it mean for the Fed?

The August producer price report showed another increase in wholesale costs, with higher gasoline prices doing much of the pushing. Because producer prices capture what businesses pay for goods before those costs reach store shelves, the reading offers an early signal of where consumer inflation may be heading.

The timing matters. This is the first of two inflation reports due before the Federal Reserve decides whether to raise interest rates at its next meeting. Policymakers weigh a range of data, but back-to-back inflation readings carry particular weight when officials are trying to judge whether price pressures are cooling or reaccelerating.

For markets, the takeaway is that energy remains a visible wildcard. Oil prices influenced by geopolitical tensions, including the Iran conflict, can feed through to gasoline and freight costs, complicating the Fed's calculus. What to watch next: the second inflation report and any shift in energy prices, since either could change how firmly the Fed feels it must respond.