Wholesale inflation rose 0.5% in September, more than expected

A measure of wholesale prices rose more than expected in September, indicating simmering inflation pressures for the U.S. economy.

The producer price index, which measures costs for finished goods that producers pay, increased 0.5% for the month, against the Dow Jones estimate for a 0.3% rise,

Wednesday. That was less than the 0.7% increase in August.

Excluding food and energy, the core PPI was up 0.3%, versus the…