Dead market in U.S. Treasuries may lead to more volatility when investors do start selling.

Dead market in U.S. Treasuries may lead to more volatility when investors do start selling.

$113 billion bet on high-grade debt may put investors at particular risk as interest rates rise.

$113 billion bet on high-grade debt may put investors at particular risk as interest rates rise.

Despite market volatility, investors continue trading bondsjust with less involvement of the big banks.

Despite market volatility, investors continue trading bondsjust with less involvement of the big banks.

Although their returns trail those of bonds, credit hedge funds continue to attract investors.

Although their returns trail those of bonds, credit hedge funds continue to attract investors.