This week's lowering of the outlook of USA's AAA debt by Standard & Poor's has shaken countries with large US debt, with China, the largest holder of US debt calling on the US to improve policies.
Staunch ally Japan said it still wanted to by US Treasuries and expressed confidence that the US will eventually fix its finances.
Pegged
Sri Lanka whose currency is pegged to the US dollar and also has commercial dollar loans with floating rates indexed to the Euro dollar rate as well as fixed rates.
Sri Lanka's central bank has large US dollar reserve assets and the entire economy is de facto anchored to the US via dollar peg.
Last year the Central Bank had also sold down a part of its gold reserves