US inflation data shows energy prices rose 16.3% in August, while the 10-year Treasury yield reached 5.18% on 24 September. The figures are intensifying concern about higher borrowing costs, interest rates and portfolio risk during Donald Trump's presidency.
The data does not prove that one policy alone caused the market move. 'Trumpflation' is a market shorthand, not an official economic measure. It broadly describes concerns that tariffs, government spending and geopolitical disruption could keep prices elevated.
