A handful of monthly numbers move markets more than any earnings report: the jobs report, CPI, and GDP. Learn what each one measures and you can read the financial news fluently.
The big three
CPI (Consumer Price Index) tracks the price of a giant basket of everyday purchases; its yearly change is the inflation rate, and it is the number central banks are legally chartered to control. The jobs report (monthly, from Statistics Canada and the US Bureau of Labor Statistics) counts new jobs, the unemployment rate, and wage growth. GDP measures everything the economy produced in a quarter — two negative quarters in a row is the rough definition of a recession.
Each release is compared not to last month but to what forecasters expected. A 'good' number that misses expectations can sink markets; a 'bad' one that beats them can rally them. Markets trade the surprise, not the level.
The economy moves in cycles
Expansion, peak, contraction, trough, repeat — the business cycle has run on this loop for two centuries. Credit is usually the engine: cheap money fuels borrowing and hiring until inflation forces rates up, expensive money chokes borrowing until layoffs force rates down, and around it goes. Since 1945, expansions have averaged about five years and recessions about one.
No one can time the cycle reliably — but knowing it exists is protective. Booms breed the belief that prices only go up (2021's everything-rally) and busts breed the belief the world is ending (March 2020, which turned out to be one of the great buying moments). The cycle argues for boring discipline: steady contributions, diversification, and an emergency fund so you're never a forced seller at the bottom.
Why good news is sometimes bad news
The market's reaction to data depends entirely on what the central bank is fighting. During an inflation fight, a blowout jobs report means wage pressure, sticky inflation, and rates staying high — stocks fall on 'good' news. In a slump, the same report means recovery and profits — stocks rise. The question behind every release is always the same: what does this mean for the price of money?
One habit worth stealing from professionals: ignore any single month. These series are noisy and heavily revised. Three months of data pointing the same direction is a trend; one month is a coin flip.
The takeaways
- CPI, the jobs report, and GDP are the three numbers that move rates — and therefore markets.
- Markets trade the surprise versus expectations, not the raw number.
- The business cycle repeats; discipline beats timing it.
- During inflation fights, strong data is bad for stocks — it keeps rates high.
Words used here — look them up
Educational content, not financial advice. Figures like contribution limits and benefit amounts change annually — verify against CRA, IRS, or your provider before acting. ← All fundamentals