New York
THE US$1.5 trillion market for US Treasury bills, known as an oasis of stability for investors worldwide, is experiencing the most volatility since the financial crisis.
Daily swings in the government's shortest-maturity obligations are widening as debate over the Federal Reserve's path collides with rising demand for the securities before the implementation of regulations intended to make money-market funds safer.
The gyrations underscore how it's a precarious time for investors in bills and...