Most U.S. stocks rose Tuesday following an encouraging update on inflation, though drops for Eli Lilly and other influential stocks kept indexes in check. The S&P 500 rose 0.1% as three out of every four stocks in the index climbed.

U.S. stocks rose modestly in choppy trade on Tuesday as investors gauged inflation data and braced for quarterly earnings reports to justify stock valuations and the strength of the U.S. economy. Stocks received an initial lift after a Labor Department report showed the producer price index rose less than expected in December,