US May inflation

What happened: In May 2026, U.S. inflation surged to its highest level in three years, driven by a 40% increase in gasoline prices and a 60% contribution from energy costs to the monthly increase. The Personal Consumption Expenditures (PCE) price index, the Federal Reserve's preferred inflation gauge, rose to 4.1% year-over-year, with core inflation hitting 3.4%, the highest since October 2023. The Consumer Price Index (CPI) also increased to 4.2% annually, the fastest pace in over three years.

Market impact: Higher energy prices squeezed consumers, reducing their spending power and potentially impacting discretionary spending. This affected sectors like retail, travel, and leisure. Energy stocks, particularly those focused on oil and gas, benefited from the surge in energy prices. The dollar slipped on benign inflation news, which reduced expectations of a Fed rate hike, negatively impacting financials and positively affecting growth stocks.

What to watch next: Investors should closely monitor the upcoming June CPI and PCE inflation reports, scheduled for release on July 12 and July 29, respectively. These will provide insights into whether inflation has peaked or if it continues to trend higher. Additionally, the Fed's next policy meeting on July 26-27 will be crucial, as any changes in the Fed's stance on inflation and potential rate hikes could significantly impact markets.