Rates on shortest bills surge as Fitch places U.S. rating on negative watch.

Rates on shortest bills surge as Fitch places U.S. rating on negative watch.

Debate over raising the debt ceiling will likely extend past the mid-October deadline set by Treasury Secretary Jacob Lew.

Debate over raising the debt ceiling will likely extend past the mid-October deadline set by Treasury Secretary Jacob Lew.

Treasury yields rise as U.S. fiscal risks recede.

The 'market is changing its mind regarding U.S. data'as the dollar makes gains against euro and yen.

The 'market is changing its mind regarding U.S. data'as the dollar makes gains against euro and yen.

Profit on trades related to proposed purchase offset the fee UPS paid when regulators blocked the deal.