Producer prices were unchanged in August

The producer price index (PPI) for final demand was unchanged in August, according to the Labor Department.
Economists had forecast an increase by 0.1% month-on-month, according to Bloomberg. 
Prices for final demand services edged up 0.1% while those for final demand goods fell 0.4%.
Core PPI, which excludes volatile food and energy costs, rose 0.1% month-on-month, matching expectations. 
Compared to the same time a year ago, PPI for final demand ro