Fed reportedly lifts rates to 3.75%–4.00% in first hike in three years

In a September 17, 2026 market recap, Kalshi_Finance says the Fed raised the federal funds rate by 25 basis points—a quarter percentage point—to 3.75%–4.00%. The account says Chair Kevin Warsh declared inflation “is too high and has been for too long,” while most officials’ projections showed at least one more hike that year. It reports that the S&P 500 fell 0.4%, the Dow lost 1.2% and the Nasdaq was roughly flat, while Nvidia, Dell and Intel finished higher.