NEW YORK — Most U.S. stocks are rising Friday after a report showed that inflation is behaving roughly as economists expected, even if it’s still high.

The S&P 500 added 0.2%, as four out of every five stocks within the index climbed. The Dow Jones Industrial Average was up 211 points, or 0.5%, as of 11:45 a.m. Eastern time, and the Nasdaq composite was 0.1% lower because of drops for a handful of influential Big Tech stocks. All three indexes are near their all-time highs set at the start of the week.

Stocks got some help from a report showing that inflation in the United States accelerated to 2.7% last month from 2.6% in July, according to the measure of prices that the Federal Reserve likes to use. While that’s above the Fed’s 2% target, and it’s more painful than any household would

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