I don't know what's included in the PPI, so I'm not in a position to determine whether the extraterrestrial pedophiles or the double secret Donald-Trump-is-really-still-president government are reporting it correctly.
I work for a producer, and I can certainly say that prices of a lot of things have been disturbingly low depending on what you wish they were. The 4th quarter was atrocious. That begs the question of how much it fell from its height. The answer is tremendously. Producer prices are REALLY HIGH but they also have fallen 11% from the peak back in June. The uptick in question is clearly visible here.
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Link if you want to play more:
Producer Price Index by Commodity: All Commodities
Producer Price Index by Industry: Total Manufacturing Industries