Producer Price Index is inflation at a business-to-business level (in a nutshell).
0.4% m/m
expected 0.5%, prior 0.4% m/m
-0.7% y/y
expected -0.7%, prior -1.6% y/y
The 'domestic final goods prices' index, which loosely correlates with CPI comes in at -0.1% y/y