U.S. producer prices increased by the most in five months in November, but easing costs of services such as portfolio management fees and airline fares offered hope that the disinflationary trend remains in place despite stalled progress.

Egg prices jumped almost 55% in November. Prices for fresh and dry vegetables, fresh fruits and melons, processed poultry, non-electronic cigarettes and residential electric power also increased. In contrast, the index for oilseeds declined 4.7 percent. Prices for diesel fuel and for primary basic organic chemicals also decreased.

Wholesale costs in the United States picked up sharply last month, signaling that price pressures are still evident in the economy even though inflation has tumbled from the peak levels it hit more than two years ago.