A CPI inflation calculator uses the CPI-U all-items series. Here is what that measures, what it leaves out, and how inflation data feeds interest rate decisions.
Federal Reserve Chair Kevin Warsh’s Jackson Hole address pushed U.S. Treasury yields to their highest levels since January 2025, lifting rate-hike expectations and adding pressure to bond, currency, and equity markets worldwide.
The S&P 500, Dow, Nasdaq and Russell 2000 all closed lower on September 1, 2026, as a worldwide bond sell-off pushed long-dated yields to multi-decade highs and U.S.-Iran tensions lifted crude prices.
Oil prices in the mid-$80s and renewed Middle East tensions drove a global retreat from risk assets on September 1, 2026, lifting Treasury yields to 4.756% and raising Federal Reserve tightening odds to 62%.
U.S. stocks fell sharply on September 1, 2026, as bond yields surged globally and Middle East tensions escalated. The Dow dropped 419 points while oil prices climbed to $90 per barrel.
