Level 1 — Absolute Beginner
Prices in the United States are going up. Food costs more. Gas costs more. Many things in shops cost more than last month. When prices go up like this, we call it inflation.
Every month, the government counts how fast prices rise. On Tuesday it gives the number for October. Prices rose 0.4 percent in one month. Experts thought the number would be smaller.
This is bad news for people who own shares in companies. On Tuesday, share prices fall in New York. Big technology companies fall the most.
Now many people think the central bank will raise interest rates in December. When rates are higher, it costs more to borrow money. People spend less, and prices rise more slowly. The bank meets on 9 December.
- prices
- The amounts of money you pay for things.
- inflation
- A general rise in prices over time.
- government
- The group of people who run a country.
- experts
- People who know a lot about a subject.
- shares
- Small parts of a company that people can buy.
- central bank
- The main bank of a country, which controls its money.
- interest rates
- The extra money you pay when you borrow, shown as a percent.
- borrow
- To take money now and give it back later.
Level 2 — Elementary
American consumer prices rose faster than expected in October, and investors did not like it. The Bureau of Labor Statistics said on Tuesday, 10 November, that its consumer price index went up 0.4 percent in the month. Economists had forecast 0.3 percent. The September figure was even higher, at 0.6 percent.
The report also measures "core" prices, which leave out food and energy because they jump around so much. Core prices rose 0.3 percent, again more than the 0.2 percent that economists expected. It was the third month in a row at that pace.
Wall Street had enjoyed its best day since April on Monday. On Tuesday the mood changed. The S&P 500 index lost 0.38 percent, the Dow Jones fell 0.30 percent and the Nasdaq dropped 0.74 percent. Shares of the chip maker Nvidia fell more than 5 percent.
The big question now is what the Federal Reserve will do at its meeting on 9 December. Its main interest rate stands between 3.75 and 4 percent. Before the report, traders already saw a better than 80 percent chance of a quarter-point rise. Now a few are even betting on a half-point rise.
- consumer
- A person who buys goods and services.
- investors
- People who put money into shares or businesses to earn more.
- index
- A number that tracks the average of many prices.
- forecast
- Said what would probably happen in the future.
- core
- The central part, with the most changeable items removed.
- pace
- The speed at which something happens.
- mood
- The general feeling of a group of people.
- betting
- Risking money on a guess about the future.
Level 3 — Intermediate
A single monthly number was enough to end Wall Street's short celebration. On Tuesday, 10 November, the Bureau of Labor Statistics reported that the consumer price index climbed 0.4 percent in October, above the 0.3 percent consensus. Core inflation, which strips out volatile food and energy costs, rose 0.3 percent against expectations of 0.2 percent. That matches the pace of the previous two months and suggests that underlying price pressure is stubborn, not fading.
The release came with an unusual gap. The bureau published no year-over-year rate, because there is no October 2025 figure to compare with. Data collection stopped during last autumn's government shutdown. Analysts have filled the hole with estimates. Xinhua calculated that three months of core readings like this one amount to an annualized pace of roughly 3.6 percent, well above the Federal Reserve's 2 percent goal.
Bond markets moved first. The two-year Treasury yield, which is the most sensitive to interest-rate expectations, jumped to about 4.69 percent, and the ten-year yield approached 5 percent. Stocks followed. The S&P 500 slipped 0.38 percent to 7,520.93, the Dow lost 0.30 percent and the Nasdaq fell 0.74 percent, pulled down by a drop of more than 5 percent in Nvidia. An equal-weight version of the S&P 500 was almost flat, which shows that the damage was concentrated in the largest technology names.
Attention now turns to the Fed's decision on 9 December. Its target range is 3.75 to 4 percent. A quarter-point increase was already priced at better than 80 percent before the data, and several economists now call it close to certain. According to the CME FedWatch tool, the odds of a larger half-point move rose from around zero to 13.6 percent. Lorie Logan, president of the Dallas Fed, has said she sees a need for two more quarter-point increases.
- consensus
- The general opinion or average forecast of a group.
- volatile
- Likely to change suddenly and often.
- underlying
- Basic and real, though not always easy to see.
- stubborn
- Difficult to move, change or get rid of.
- shutdown
- A period when an organisation stops working.
- annualized
- Calculated as if it continued for a whole year.
- yield
- The return an investor earns on a bond, shown as a percent.
- concentrated
- Gathered together in one small area or group.
Level 4 — Advanced
Markets that had spent Monday pricing in geopolitical relief were reminded on Tuesday that the more durable threat is domestic. The October consumer price index, published by the Bureau of Labor Statistics on 10 November, rose 0.4 percent on the month, a tenth above consensus, while the core measure advanced 0.3 percent for a third consecutive reading. Neither figure is alarming in isolation. Together they describe an economy in which disinflation has stalled at a level the Federal Reserve cannot comfortably tolerate.
The report is also a statistical curiosity. Because last year's government shutdown interrupted price collection, there is no October 2025 index, and the bureau therefore declined to print a twelve-month rate. Investors accustomed to anchoring on that headline number have been left to extrapolate. The three-month run in core implies an annualized rate near 3.6 percent. One economist's interpolation of the missing month puts headline inflation close to 4 percent, though that is an estimate and carries no official weight.
The repricing was sharpest at the short end of the yield curve. Two-year Treasury yields leapt to roughly 4.69 percent in what one outlet described as their largest single-day rise since the tariff turmoil of 2025, and the ten-year flirted with 5 percent. Equities gave back part of Monday's 2.35 percent surge: the S&P 500 closed at 7,520.93, down 0.38 percent, and the Nasdaq shed 0.74 percent. The breadth of the decline was narrow. Nvidia, already under a cloud after its board opened an inquiry into its chief executive, lost 5.47 percent and accounted for much of the index's fall, while the equal-weight benchmark barely moved.
For the Federal Open Market Committee, which meets on 9 December with its target range at 3.75 to 4 percent, the debate has shifted from whether to tighten to how forcefully. A quarter-point rise is now treated as a near certainty. The more telling signal is that the CME FedWatch probability of a half-point move, negligible a day earlier, stands at 13.6 percent. Lorie Logan of the Dallas Fed has argued for two further quarter-point steps. Falling oil prices may yet flatter the November data, but energy is precisely what the core measure excludes.
- durable
- Lasting for a long time.
- consecutive
- Following one after another without a break.
- disinflation
- A slowing in the rate at which prices rise.
- extrapolate
- To estimate something unknown from facts you already have.
- interpolation
- An estimate of a missing value that lies between known values.
- turmoil
- A state of great confusion and disorder.
- breadth
- How widely something is spread across a group.
- negligible
- So small that it is not worth considering.
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