The American economy grew at a healthy 3.1% annual clip from July through September, propelled by vigorous consumer spending and an uptick in exports, the government said in an upgrade to its previous estimate. Third-quarter growth in U.S. gross domestic product—the economy’s output of goods and services—accelerated from the April-July rate of 3% and continued to look sturdy despite high interest rates, the Commerce Department said Thursday. GDP growth has now topped 2% in eight of the last nine quarters. Consumer spending, which accounts for about two-thirds of U.S. economic activity, expanded at a 3.7% pace, fastest since the first quarter of 2023 and an uptick from Commerce’s previous third-quarter estimate of 3.5%. Exports climbed 9.6%. Business investment grew a lackluster 0.8%, but investment in equipment expanded 10.8%. Spending and investment by the federal government jumped 8.9%, including a 13.9% surge in defense spending. Read the full story.