Expectations Of September 2025 Rate Cut Lock In As S&P 500 Reaches New Heights
The S&P 500 (Index: SPX) continued its "sideways-to-slightly-up" trajectory in the trading week ending Friday, 12 September 2025, although this week, it moved more slightly up than sideways! The index closed out the week at 6,584.29 after setting three new consecutive record highs on Tuesday through Thursday, dipping just 3.18 points (-0.05%) on Friday. Overall, the index closed out the trading week about 1.6% higher than it had closed out the preceding week.
The biggest market-moving headlines of the week was the release of the Producer Price Index (PPI) on Wednesday, 10 September and the Consumer Price Index (CPI) on Thursday, 11 September. Here, the PPI was down but the CPI ticked up. More importantly, the although the CPI ticked up, it stayed within the range it has run since June 2024. The main drivers of consumer price inflation during the month came from services rather than goods, dispelling the claim of tariffs causing widespread inflation to which several Federal Reserve officials had bitterly clung to justify their not resuming rate cuts in the face of a U.S. economy that has been slowing without them during 2025.
With that poorly supported hypothesis debunked, the inflation data all but cinched the probability the Federal Reserve's Open Market Committee would act to cut the Federal Funds rate by a quarter point at the end of its two-day meeting on Wednesday, 17 September 2025.
The path of the S&P 500 continues to follow the projected trajectory associated with investors focusing on the distant future quarter of 2026-Q2. The latest update of the alternative futures chart shows that outcome.
Speaking of rate cuts, the CME Group's FedWatch Tool projects a 96%+ probability the Fed will cut the Federal Funds Rate by a quarter percent at its 17 September (2025-Q3) meeting on Wednesday, 17 September 2025. Beyond that date, the FedWatch tool forecasts additional quarter point rate cuts will take place on 29 October (2025-Q4) and 10 December (2025-Q4), then pausing for a cycle and resuming on 18 March (2026-Q1).
Here are the market moving headlines of the week that was:
Monday, 8 September 2025
- Signs and portents for the U.S. economy:
- Bigger trouble developing in China:
- Bigger trouble developing in Japan:
- ECB minions think they may be done with rate cuts for now amid signs of bigger trouble developing in the Eurozone:
- Nasdaq ends at a record, stocks rise ahead of key inflation reports
Tuesday, 9 September 2025
- Signs and portents for the U.S. economy:
- Fed minions fully expected to resume rate cuts after big jobs number miss:
- Next prime minister to focus on Japan's inflation:
- S&P 500 notches record high close, investors bet on Fed rate cut
Wednesday, 10 September 2025
- Signs and portents for the U.S. economy:
- Fed minions get more data showing tariffs not meaningfully contributing to inflation, ethically challenged Fed minion gets reprieve from friendly judge, new minion headed to confirmation:
- Less deflation developing in China:
- Change in Japan's leadership giving BOJ minions something to think about:
- U.S. stocks extend winning streak after PPI Index comes unexpectedly lower
Thursday, 11 September 2025
- Signs and portents for the U.S. economy:
- Fed minions expected to belatedly resume rate cuts after nine month pause after inflation report:
- BOJ minions expected to resume hike Japan's interest rates to fight inflation they unleashed, thinking about unloading ETFs they bought to stimulate Japan's economy:
- ECB minions leave Eurozone interest rates alone:
- Dow tops 46k as Wall Street rallies to new record highs
Friday, 12 September 2025
- Signs and portents for the U.S. economy:
- Fed minions having trouble reading Fed's fear meter:
- Bigger international loans developing in China, China central bank minions focused on Fed, using "stern lectures" to address problems of overcapacity:
- BOJ minions expected to hold rates steady this month:
- ECB minions, after choosing to do nothing now, thinking about going in different directions:
- Nasdaq sets week-long record closing streak, S&P and Dow stall as Fed decision looms
The Atlanta Fed's GDPNow tool projection of real GDP growth in the U.S. during the current quarter of 2025-Q2 ticked up to +3.1% after predicting +3.0% in the preceding week.
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