Portugal's sovereign credit rating was downgraded and the fourth quarter of last year. Economics Growth rate is higher than expected, 25 days in New York Currencies Dollar to main currency Rise.

Because the Portuguese Parliament voted against the austerity package, its prime minister announced his resignation. The rating agency Standard Pool Co said 25 days that Portugal's domestic political uncertainty would affect market confidence and raise its refinancing risk, thereby reducing Portugal's long-term credit rating from A- to BBB.

Under this influence, the euro fell to the 1.41 barrier against the US dollar on the 25 day of New York's foreign exchange market, but was supported by the market's expectations of the euro zone's rate hike and the ongoing coordination mechanism of the EU leaders' meeting to deal with the debt crisis. The euro finally held the 1.40 pass against the US dollar.

In addition, the US Commerce Department released 25 data show that in the fourth quarter of 2010, the US gross domestic product (GDP) increased by 3.1% year on year, higher than the previous 2.8% forecast value, indicating that the pace of economic recovery in the United States remained stable. However, many economists pointed out that the future of the US economy is facing more uncertainties. The high unemployment rate and the weak recovery in the real estate market are still two major risks.

By the end of that day, the market in New York was 1 dollars, which was 1.4073 dollars lower than the previous trading day, and the exchange rate of 1 pounds was 1.6019 US dollars, which was lower than the 1.6111 US dollars of the previous trading day. The 1 US dollar exchanged for 81.41 yen was higher than the previous trading day of 80.95 yen; the 1 dollar was exchanged for 0.9195 Swiss francs, which was higher than the previous Swiss yen of the previous trading day; and the US dollar was converted to the Canadian dollar, which was higher than that of the previous trading day of the Canadian dollar.