Ratings agency Moody's has said it expects US politicians to reach an agreement on the country's debt ceiling, with a default "extremely unlikely".
A simple typographical error boosted Spain's 2014 public debt forecast by €10bn (£8.4bn), the government has admitted.
A new academic paper suggests an influential study used to argue the case for austerity contains a number of flaws - including a simple Excel spreadsheet error.
The US Treasury has ruled out minting a $1 trillion dollar platinum coin as a way to circumvent the need to raise its national borrowing limit next month.
Benchmark 10-year gilt yields have moved back above 2% for the first time since last May as the equity rally is mirrored by a sell-off in core government bonds.
The Spanish government has announced €40bn in spending cuts and budget savings in its latest attempt to turnaround the country's struggling economy.
The euro has slipped to an 11-year low against the Japanese yen as Spanish debt woes continue to weigh on the single currency.
European equity markets have slumped in afternoon trading as Spanish 10-year bond yields approach record highs once again.
Corporate credit fund manager Muzinich & Co. is preparing for a buying opportunity in the European high yield sector if Spain suffers further sovereign downgrades.
PIMCO's Bill Gross has said US debt to GDP could accelerate towards 800% over the next five years if all actual liabilities are taken into account.