The producer price index for final demand tumbled 1.3% last month, the biggest decline since the series was revamped in December 2009, after slipping 0.2% in March. In the 12 months through April, the PPI decreased 1.2%. That was the biggest drop since November 2015 and followed a 0.7% increase in March.
Economists polled by Reuters had forecast the PPI falling 0.5% in April and declining 0.2% on a year-on-year basis.