The euro recovered from initial losses, helped by a bounce in German investor sentiment.
The euro inched higher ahead of a meeting of euro zone finance ministers that investors expect will find enough common ground to support Greece.
The euro edged higher on Friday, putting it on course for a third straight week of gains, its best performance in just under a year.
The dollar dropped across the board on Thursday after weaker-than-expected U.S. economic data.
The yen surged against the U.S. dollar following a report that the country's central bank is cooling on the idea of adding more stimulus.
CNBC talks to the CEOs of Credit Suisse and Zurich Insurance, and Switzerland's Economy Minister about the Swiss National Bank's decision to drop its currency peg last month.
Johann Schneider-Ammann, Economy Minister of Switzerland, says the surge in the Swiss franc is a huge challenge for businesses, but declined to comment what the ideal exchange rate should be.
The dollar hit a fresh one-month high versus the yen on Wednesday, while uncertainty over a new debt deal for Greece kept the euro under a cloud.
The dollar strengthened on the back of U.S. Treasury yields, while the euro was buffeted by comments and media reports on the progress of Greece.
The dollar gave back some ground on Monday as traders sold into a rally triggered by robust U.S. jobs data.
The U.S. dollar soared against the euro and the yen on Friday, but some currency analysts are eyeing a short-term pullback in the greenback.
Jens Nordvig, global head of FX strategy and co-head of global markets research at Nomura Securities International, talks about "central bank activism" and when central banks will eventually raise rates.
The dollar edged up against a basket of currencies on Friday as investors looked to U.S. jobs and wages data.
James Ashley, chief economist at RBC Capital Markets, says Denmark is a completely "different kettle of fish" to Switzerland.
Denmark's central bank is reaching for bigger bazookas to battle the speculators betting it will be forced to abandon its currency's peg to the euro.
The euro eased versus the dollar, with the focus on whether U.S. jobs data laterwill bolster the case for the Fedto consider raising interest rates.
Nick Hayek Jr, CEO of Swatch Group, says the Swiss Franc is a "psychological problem" following the SNB's recent move.
Discussing the threat of the Apple watch, Nick Hayek Jr, CEO of Swatch Group, shrugs off fears, saying Swatch will be ready.
The dollar fell after suffering its biggest one-day fall in a year, under pressure from many fronts amid oil-fueled gains by commodity currencies.
Buying negative-yield bonds -- or paying to lend money -- looks like a fool's game, but six types of investors have joined the play, JPMorgan said.