The U.S. dollar languished near four-year lows following President Trump's comments that seemed to encourage its decline. Amidst heightened selling of the dollar, other currencies including the yen and euro surged.

European Central Bank policymakers flagged growing concerns over the euro's quick appreciation against the dollar,

Options traders have turned overwhelmingly negative towards the dollar this week, after President Donald Trump brushed off the U.S. currency's 2.5% slide this month, pushing the cost of derivatives to buy other currencies to the highest in months on Wednesday.

The U.S. dollar experienced a decline on January 20, as geopolitical tensions in Greenland escalated, affecting currency exchange rates. The euro and

SINGAPORE, Jan 28 (Reuters) - The U.S. dollar was grappling with a "crisis of confidence" as it struggled near four-year lows on Wednesday after President Donald Trump brushed off its recent weakness, exacerbating the dollar selling and lifting the yen, euro and sterling.

The U.S. dollar was weakening Tuesday after an escalation in geopolitical tensions involving President Donald Trump’s desire to buy Greenland — but some analysts expect the euro would have a bigger problem in ‘a meltdown in the E.

The euro is taking on a bigger role in the global currency options market as traders skirt around the dollar given the risks from unpredictable US policy and a global trade war. There’s been a shift in trading volumes. Around 15% to 30% of contracts tied ...