美国12月挑战者企业裁员人数录得3.5553万人，前值7.1321万人

Group 1 - The core point of the article highlights that the number of layoffs reported by U.S. Challenger companies in December reached 35,553, a significant decrease from the previous value of 71,321 [1] Group 2 - The data indicates a reduction in layoffs, suggesting a potential improvement in the labor market conditions [1] - The reported figures may reflect broader economic trends and company strategies in response to market demands [1] - The decrease in layoffs could signal increased stability for employees and businesses alike [1]