PANews August 14 news, driven by soaring service costs, the PPI growth rate in the United States reached its highest level in three years in July. A report released by the U.S. Bureau of Labor Statistics on Thursday showed that the PPI rose 0.9% from the previous month, unchanged from June. The index increased by 3.3% compared to the same period last year. The index excluding food, energy, and trade services rose 0.6% from June and increased by 2.8% compared to the same period last year.