The euro fell to a three-week low against the dollar on Thursday amid persistent concern about debt troubles in Europe, though analysts said strong technical support levels could limit near-term downside. The euro earlier fell to around $1.3050, below its 200-day moving average currently located at $1.3092 on trading platform EBS.
The Swiss franc weakened broadly as investors booked profits on a rally had seen the Swiss currency hit record highs versus the euro for six consecutive days. In early trading, the euro was down 0.3 percent at $1.3066 after having dropped as low as $1.3055 on EBS, and was on track for a weekly loss of about 0.9 percent.
The euro was up 0.8 percent at 1.2560 Swiss francs after hitting an all-time low of 1.2440 on trading platform EBS on Wednesday. The dollar fell 0.6 percent to 83.06 yen in thinned trade with Tokyo closed for a national holiday and ahead of the Christmas holidays in the United States and Europe.