(https://www.marketwatch.com/story/mortgage-rates-jump-to-the-highest-level-of-2026-7a35f79e?mod=mw_rss_topstories) and everyone's focused on housing starts. But the real damage is upstream — this is a demand destruction signal masquerading as a housing data point. When mortgage affordability collapses, consumers cut discretionary spending. That math doesn't change whether you're buying a home or a Tesla. TSLA and UNH are the canaries here.

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