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U.S. GDP grows 3.4% in Q3 as September inflation rises

The U.S. economy grew by 3.4% in the third quarter, exceeding expectations, as reported by the Commerce Department. However, inflation remains elevated with a 0.5% increase in the PCE price index for September, prompting the Federal Reserve to maintain its interest rate for further assessment.

Rahul Sharma
By Rahul Sharma · BRIC.TV
Published Oct 29, 2026 · 2 min read · 1 views
U.S. GDP grows 3.4% in Q3 as September inflation rises

Key Takeaways

  • •U.S. GDP grew 3.4% in Q3, beating expectations
  • •Inflation remains a concern with PCE index rising 0.5% in September
  • •Federal Reserve maintains interest rates amid economic uncertainty
  • •Consumer spending and investment drive economic growth
  • •Rising energy costs contribute to inflationary pressures

The U. S. economy showed unexpected resilience in the third quarter, with the gross domestic product (GDP) expanding at an annualized rate of 3.4%, surpassing the anticipated 3.1% growth. This marks a significant improvement from the 2.2% growth recorded in the second quarter, according to the Commerce Department's report released on Thursday.

Despite the robust economic growth, inflation remains a concern. The personal consumption expenditures (PCE) price index, a key measure of inflation, rose by 0.5% in September, the largest monthly increase since March. This pushed the annual inflation rate to 3.6%, slightly below the Dow Jones consensus of 3.7%.

Core PCE, which excludes volatile food and energy prices, increased by 0.3% for the month and 3.1% annually, aligning with expectations. The Federal Reserve closely monitors these figures, particularly the core reading, as it provides insight into longer-term inflation trends.

Consumer spending, a significant driver of economic growth, rose by 0.5% in September, slightly below the forecasted 0.6% increase. Personal income also saw a modest rise of 0.2%, falling short of the 0.3% estimate. Despite these figures, consumer spending maintained a steady pace of 3.8% growth in the third quarter, matching the previous quarter's rate.

Investment in the economy has been bolstered by the expansion of artificial intelligence and increased government spending. Gross private domestic investment surged by 19.4%, with equipment spending up by 20.9% and intellectual property products rising by 8.4%. Real sales to private domestic purchasers, a measure of underlying demand, increased by 4.9%, up from 4.6% in the second quarter.

However, inflationary pressures persist, driven largely by rising energy costs. Energy goods and services saw a notable increase, with gasoline prices jumping 9.2% in September. Overall, energy goods and services rose by 5.4%, contributing to broader inflation concerns.

In response to these economic indicators, the Federal Reserve opted to maintain its benchmark interest rate within the range of 3.75% to 4% during its recent meeting. A Federal Reserve official emphasized the importance of assessing incoming data before making further policy decisions, stating, "The period right in front of us is information rich. There is a lot that's happening in the world. My colleagues and I are keen to take notice of it."

Labor market conditions remain stable, with initial jobless claims falling to a seasonally adjusted 194,000 for the week ending October 24, below the expected 200,000. This level is reminiscent of figures last seen in the late 1960s, indicating a resilient job market.

Despite the positive GDP figures, stock market futures reacted negatively to the economic data, and Treasury yields also declined. Chris Rupkey, chief economist at Fwdbonds, noted that economic growth is continuing despite various challenges.

On a quarterly basis, there was some relief on the inflation front. PCE prices increased by 2.1% overall and 2.5% for core, both down from the second quarter's 5% and 3.3% increases, respectively. Yet, the rising energy costs in September have economists concerned about potential spillover effects into other sectors.

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