Stocks Slump and Yields Surge as Economic Angst Grips Markets

Stocks are sliding, bond yields are soaring, and investors are reacting strongly to economic data, leaving markets jittery.

The yield on the 10-year Treasury bond has risen to highs not seen since 2007, weighing on stocks.

Persistently strong economic data has led to higher growth expectations and inflation concerns, pushing yields higher.

The S&P 500 slumped nearly 5% in September, its worst month this year, as higher rates upend assumptions.

Congressional turmoil highlights government instability, compounding concerns about rising interest costs on mammoth US debt.