PCE inflation rose further in May, reinforcing bets the Fed hikes rates by October as Chair Kevin Warsh keeps policy tight to cool prices.

Traders anticipate the central bank hiking interest rates amid high inflation.

The Personal Consumption Expenditures index is the Fed’s favorite gauge of price increases.

Inflation rose three-tenths of a percentage point to 4.1% for the year ending in May, the Bureau of Labor Statistics reported.

US inflation surged past 4.0% in May, driven by Middle East conflict-fueled energy prices, marking the highest increase in three years. This development pushes the Federal Reserve…