The US sub-prime mortgage fears have been pushed back into the headlines. Ratings agency Standard & Poor's has announed plans to downgrade over 600 classes of sub-prime mortgage bonds. The ratings changes will create fresh pressure on global hedge funds and will also maintain fears over weaker US growth as mortgage fears continue Wall Street is liable to face a rough ride on Tuesday with the potential for sharp losses. As far as the currency markets are cocnerned, there is likely to be further short-term demand for the Swiss currency. (full story)