The prices of building materials decreased 0.3% in November (not seasonally adjusted) following 0.5% and 0.1% declines in September and October, respectively, according to the latest Producer Price Index (PPI) report. The index has decreased five of six months for the first time since 2015. The PPI for goods inputs to residential construction, including energy, fell 0.8% in November. The index was led lower by a 5.3% drop in energy input prices as the PPIs of regular unleaded gasoline and No. 2 diesel fuel decreased 6.7% and 4.5%, respectively.