Context
The yield on the 30-year U.S. Treasury bond has risen to around its highest level in nearly 25 years, alongside increases in yields across maturities. Rising inflation, higher government borrowing and increased demand for returns have contributed to the surge.

Explanation
- A bond is a debt instrument through which governments or companies borrow money from investors.
- The coupon is the fixed interest payment promised by the bond issuer, while the yield represents the return earned by an investor at the bond’s prevailing market price.
- Bond prices and yields move inversely: when bond prices fall, yields rise, and vice versa.
- Rising inflation reduces the real value of fixed bond returns, causing investors to demand higher yields.
- Larger government borrowing and fiscal deficits can increase the supply of bonds and push yields upward.
- Higher sovereign yields usually raise borrowing costs across the economy for governments, firms and households.
- U.S. Treasury yields also influence global capital flows, exchange rates and emerging-market financing conditions.
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