The Conference Board’s Consumer Confidence Index slid to 98.7, down from 105.6 in August, the biggest one-month decline since August 2021.
The ISM services survey's prices index jumped to 64.4%, an increase of 6.2 points or more than 10%.
Economists polled by Reuters forecast a reading of 2.4%, up from 2.2% in November.
President-elect Donald Trump is considering a plan that still would apply tariffs to all nations but narrow the impact.
Firms across hospitality, manufacturing, construction and healthcare expressed concerns about how they would cover additional tax costs.
The PCE price index was expected to show a 2.5% annual inflation rate in November after rising 0.2% monthly.
Russia's central bank on Friday left its key interest rates unchanged at 21%, citing monetary tightness as Moscow wages its...