China has warned of a possible trade war as the US Senate voted in favour of debating laws which could pressure it to let the renminbi rise.
Bob Michele, global CIO of fixed income and currency at J.P. Morgan Asset Management, has said Greek bond holders should take a huge hit to help resolve the debt crisis in Europe.
The Swiss central bank's decision to cap the franc has split investors, with Investec's currency head Thanos Papasavvas backing the move while Jim Rogers called it a "huge mistake" that could completely debase the currency.
Last week's decision by the Swiss National Bank to cap its exchange rate to a minimum of CHF1.20 to the euro will not rescue the Swiss economy, said Jennifer McKeown, senior European economist at Capital Economics.
Veteran investor Jim Rogers has criticised the Swiss central bank's move to cap the franc and suggested the Chinese renminbi could be the next safe haven currency.
The Swiss franc has fallen 9% against the euro after the Swiss National Bank (SNB) said it was setting a minimum exchange rate against the single currency.
The Swiss government is preparing to unveil a CHF1.5bn (£1.1bn) package to help the country deal with its soaring currency when it meets later today, Reuters reports.
Futures manager Dighton Capital Management has made a bullish call on the dollar even as the debt ceiling crisis continues to worsen.
Javier Corominas, head of economic research at Record Currency Management, examines whether beta or risk premium returns are available in currency.
Veteran investor Jim Rogers is long the euro in his portfolio as he expects the eurozone to survive the sovereign debt crisis.