The (https://www.marketwatch.com/story/the-dow-jones-transportation-average-is-on-a-historic-tear-here-are-6-charts-you-need-to-see-ec2b91aa?mod=mw_rss_topstories) hitting historic highs isn't a victory lap—it's a warning siren. [FACT] $UPS posted declining revenue growth of -2.4% YoY with net margins of , while $FDX managed only net margins despite revenue growth.

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