The Federal Reserve’s unanimous 25-basis-point rate hike to a 3.75-4.00% target range on September 16, coupled with updated projections showing 16 of 18 officials favoring at least one more increase by year-end, stands as the dominant factor shaping near-term S&P 500 expectations. Hawkish commentary from Chair Warsh on persistent inflation—driven by elevated oil prices amid geopolitical tensions—pushed 10-year Treasury yields above 4.9% and triggered initial equity volatility, with the index closing the week near 7,650 after mixed sessions. Solid labor data, including near-historic-low jobless claims, reinforced the case for tighter policy while supporting growth forecasts around 2.3% for 2026. Traders are now focused on this week’s ADP employment report, preliminary S&P Global PMI releases, and initial claims for clues on whether the labor market can withstand further tightening without derailing the equity advance. Market-implied odds reflect ongoing uncertainty around the pace of any additional hikes and their impact on valuations.