Core Insights - The recent job cuts announced by Amazon.com Inc. and United Parcel Service Inc. indicate a shift in the U.S. job market, challenging the notion of a "no-hire, no-fire" economy [1] Company-Specific Summary - Amazon.com Inc. has announced significant job cuts, reflecting broader trends in the labor market [1] - United Parcel Service Inc. also revealed job reductions, suggesting that major companies are adjusting their workforce in response to economic conditions [1] Industry Overview - The announcements from these companies may signal a potential downturn in the U.S. job market, contradicting previous expectations of stability [1] - Analysts are closely monitoring these developments as they could have implications for employment trends across various sectors [1]