美国6月挑战者企业裁员月率 -48.84%，前值-11.03%。

Core Insights - The Challenger job cuts in the U.S. for June showed a significant decrease of 48.84% compared to the previous month's rate of -11.03, indicating a substantial reduction in layoffs [1] Group 1 - The June job cuts reflect a notable shift in the employment landscape, suggesting potential improvements in job security for workers [1] - The drastic change in the monthly rate of job cuts may signal a positive trend in the labor market, which could influence economic forecasts [1] - The previous month's figure of -11.03% highlights a contrasting situation, emphasizing the scale of the current month's decline [1]