The Fed is expected to raise interest rates Wednesday, but signals about future hikes could matter even more for mortgages, bonds, and investors.

Another flattering explanation for high rates is that there’s plenty of demand for Treasury debt in the broad market — it’s just that the primary dealers who buy it from the Treasury and then resell ...

The Fed wants to bring inflation down to its 2% target. Higher interest rates make borrowing more expensive, which can reduce spending by consumers and businesses. That can eventually ease demand and ...