High energy prices continue to ripple through US supply chains, raising the costs for businesses and setting the stage for further increases in the coming months for American consumers. Wholesale inflation accelerated last month to its highest rate in nearly four years, Bureau of Labor Statistics data showed Friday. The Producer Price Index, a measurement of average price changes received by producers and manufacturers, rose 0.3% from the month before and 6.5% for the 12 months ended in October, the highest annual rate since November 2022.