Cooler-than-expected inflation data and upbeat corporate earnings lifted all three major US stock indexes to all-time closing highs on Friday, setting the stage for next week's earnings reports and an expected interest rate cut by the Federal Reserve.

The S&P 500 and the Nasdaq recorded their largest weekly percentage gains since August, while the blue-chip Dow logged its biggest Friday-to-Friday jump since June.

The Labor Department's Consumer Price Index remained elevated in September but was a bit cooler than analysts had expected, calming fears of an outsized impact of tariffs on inflation and all but locking in a 25-basis-point rate cut at the conclusion of the Fed's monetary policy meeting next week.

The CPI report provided a rare set of official US data as releases have generally

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