Brexit negotiations have spurred wider swings in sterling.

S&P, Moody's and Fitch weren't hit as hard by new rules after the financial crisis as banks were.

S&P, Moody's and Fitch weren't hit as hard by new rules after the financial crisis as banks were.

About 64% doubt the exit will be orderly, a Barclays poll shows.

About 64% doubt the exit will be orderly, a Barclays poll shows.

Demand for fixed income should anchor companies' borrowing costs.

Demand for fixed income should anchor companies' borrowing costs.

Trading of credit-default swaps on European sovereign debt jumps on threats to future of euro.