America Grew at 3.4 Per Cent While Prices Rose at 3.6. The Fed Held the Day Before It Knew

Real gross domestic product grew at an annual rate of 3.4 per cent in the third quarter, the Bureau of Economic Analysis said on Thursday, up from 2.2 per cent in the second and the fastest pace in a year. Economists had expected 3.2. Consumer spending rose 3.8 per cent for a second quarter. Business investment rose 12.7 per cent, the most in six years, with the data centre build-out contributing more to growth than consumption did. Government spending turned up. Exports fell and imports rose 19.7 per cent, the fastest since the pre-tariff front-loading of early 2025, which subtracted from the headline. Real final sales to private domestic purchasers, the measure that strips out trade, inventories and government, rose 4.9 per cent, the strongest since the second quarter of 2021.

An hour later the same agency published September's personal income and outlays. The PCE price index rose 0.5 per cent in the month and 3.6 per cent over the year, from 3.4 in August. Core PCE, the Federal Reserve's preferred gauge, rose to 3.1 per cent. Both are the highest since the spring and both are above the 2 per cent target by a margin the Fed last tolerated in 2023. Personal income growth slowed to 0.2 per cent. Initial jobless claims fell to 194,000, the lowest since July.

The President told reporters the country is "doing unbelievably well", and on output he is right.

From the analysis

Put the two releases together and the picture is of an economy running above the roughly 2 per cent that Fed officials regard as its non-inflationary speed, with inflation accelerating, 24 hours after the Federal Open Market Committee voted 10 to 2 to leave rates at 3.75 to 4 per cent and said it would wait for "the accumulation of more information". The information has accumulated quickly. Futures already priced December at close to 90 per cent before Thursday; nothing in Thursday's numbers argues the other way. The two dissenters, Lisa Cook and Beth Hammack, now have the quarter's growth and inflation data on their side of the table.

The composition matters for what the Fed can do about it. The investment surge is capital spending on chips, servers and the buildings and power that house them, financed largely by the cash flows and credit of a handful of very large companies. Rates at 4 per cent have not slowed it and rates at 4.25 will not either. Consumer spending held at 3.8 per cent but Reuters reports that momentum faded into September, as the 3.7 per cent CPI and fuel prices reached household budgets. The part of the economy that is rate-sensitive, housing, already faces a 7.3 per cent mortgage rate. A December rise therefore lands on the sectors that are weakest and misses the one that is hottest, which is the argument for doing it anyway: the Fed cannot target the data centre boom, but it can keep the boom from being financed at negative real rates while core inflation climbs.

We think Thursday settled December and reopened the question Sox raised on Wednesday, which is whether the Fed's pause bought it anything. The case for holding six days before an election was that a move would look political. The case against is that the first data after the hold show growth at 3.4 and core inflation at 3.1, and that a committee which raises in December after holding in October will have to explain why six weeks and an election changed its mind when the numbers did not. Chair Warsh has said he dislikes forward guidance. He will find that the data provide it whether he likes it or not.

The President told reporters the country is "doing unbelievably well", and on output he is right. The voters who go to the polls on Tuesday will be weighing a 3.4 per cent economy against a 3.6 per cent price level, and every poll says they weigh the second more heavily. The October jobs report arrives on 6 November, three days after the election. The next CPI is 10 November. The Fed meets on 8 and 9 December with a number already written on the table.

The Semaform

The news

The US economy grew at a 3.4 per cent annual rate in the third quarter of 2026 on strong consumer spending and a 12.7 per cent rise in business investment, the BEA reported on 29 October, while PCE inflation accelerated to 3.6 per cent and core PCE to 3.1 per cent in September, a day after the Federal Reserve held rates.

Sox’s view

Growth above trend with core inflation at 3.1 per cent settles a December rise and exposes the cost of Wednesday's pause: the Fed will now tighten after an election into data that were already clear before it.

Room for disagreement

Some economists argue that growth is concentrated in AI capital spending that rates will not restrain, that consumer momentum faded into September and that housing is already contracting, so further tightening would hit the weak parts of the economy without touching the hot one.

Sources

1. US Bureau of Economic Analysis, Gross Domestic Product (Advance Estimate), 3rd Quarter 2026, 29 October 2026
2. US Bureau of Economic Analysis, Personal Income and Outlays, September 2026, 29 October 2026
3. Federal Reserve, FOMC statement, 28 October 2026
4. Reuters, Robust consumer spending, AI-related investment power US economy in third quarter, 29 October 2026
5. AP, US economy grows at brisk 3.4% pace in third quarter on strong consumer spending and AI investment, 29 October 2026
6. AP, Strong growth and inflation paints mixed picture of economy days before midterm elections, 29 October 2026
7. CNBC, Third-quarter U.S. GDP increases a better-than-expected 3.4% as September inflation accelerates, 29 October 2026
8. Sox News, Ottawa Raised and Washington Waited, 28 October 2026

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