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🧭 Market Literacy

Interest Rates and the Economy

March 30, 2026 · 1 min read

Interest rates set by central banks (like the U.S. Federal Reserve) are one of the most powerful tools in economic policy. They influence borrowing costs, spending, and investment across the entire economy.

How It Works

When the central bank raises its benchmark rate, borrowing becomes more expensive for banks, businesses, and consumers. When it lowers the rate, borrowing becomes cheaper.

Effect on Stocks

  • Rising rates: Companies face higher borrowing costs, which can reduce profits. Investors may also shift money from stocks to bonds, which now offer better yields.
  • Falling rates: Cheaper borrowing fuels business expansion. Stocks often become more attractive relative to low-yielding bonds.

Effect on Bonds

Bond prices and interest rates move in opposite directions. When rates rise, existing bonds with lower rates become less valuable. When rates fall, existing bonds become more valuable.

Why Central Banks Change Rates

Central banks raise rates to cool inflation and lower rates to stimulate economic growth during slowdowns. The goal is balancing growth with price stability.

For Investors

Understanding rate trends provides context for market movements, even if predicting exact rate decisions is extremely difficult.