According to the latest Producer Price Index (PPI), issued by the Bureau of Labor Statistics, the steel PPI decreased from August to September by 0.5 percent, along with lumber (0.6 percent) and asphalt (0.1 percent).  The concrete PPI increased 0.2 percent from August. Year-over-year indices, however, all increased. The steel PPI was up 13.5 percent, lumber up 1.0 percent, and asphalt up 8.4 percent. The concrete PPI increased the least from 2010, at 0.3 percent.