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CPI gains lift Fed hike odds, shaping near-term S&P 500 risk

Sep 11, 2026, 8:55 AM EDT1 sourcesAI-analyzed

Why it may matterVerify against the original reporting

Hotter-than-expected inflation, especially core CPI, sustains hawkish Fed expectations, pressuring multiple equity sectors and potentially depressing near-term S&P 500 levels despite energy strength.

AI summary

What happened, with direct paths to the underlying reporting

August CPI rose 0.4% month-over-month, with core inflation at 0.3% and 2.4% year-over-year, keeping policymakers on track for a possible rate increase at next week’s meeting. Energy prices led gains, while shelter and transportation costs rose, underscoring inflation's stickiness. The data suggests near-term headwinds for broad equities, though energy names may benefit from higher oil prices.

CPI rose 0.4% m/m; 12-month CPI at 3.4%.
Core CPI +0.3% m/m; core y/y at 2.4%.
Gasoline up 3.9%; energy index +2.1% amid Middle East tensions.
Shelter costs +0.3%; transportation services +0.5%; used cars +0.4%.
Fed meeting next week keeps rate path in focus.

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