NEW YORK (CNNMoney.com) -- The dollar weakened Thursday as investors regained some appetite for risk amid easing concerns about Greece and strong corporate results.
The dollar was down 0.2% versus the euro to $1.32425 and fell 0.75% against the U.K. pound to $1.53223. Against the Japanese yen, the dollar gained 0.06% to trade at ¥94.09.
The euro plunged to a 12-month low Wednesday after Standard & Poor's downgraded the sovereign debt ratings of Spain, which came after the ratings agency downgraded both Greece and Portugal earlier in the week.
The move raised speculation that the fiscal crisis in Greece was spreading to other troubled European economies. But traders said those concerns abated Thursday amid signs European officials were nearing a deal on additional support for Greece.
Athens has officially requested emergency loans from the European Union and the International Monetary Fund, and the Greek government said Thursday that the aid package being negotiated is worth about $160 billion.
"A measure of calm returned with regards to Greece," Brown Brothers Harriman said in a research note. "Markets are looking for a bigger Greek aid package over the weekend, which may give the euro a further boost Friday."
In the United States, investors gravitated towards more risky assets, such as stocks, after a host of major corporations released stronger-than-expected quarterly profit reports. The tone was also brightened by an upbeat economic assessment from the Federal Reserve on Wednesday.
"The risk trade returns cautiously as the Fed extends its policy accommodation and euro shorts scale down positioning in anticipation of EU/IMF deal," said Ashraf Laidi, chief market strategist at CMC Markets in London. 
| Overnight Avg Rate | Latest | Change | Last Week |
|---|---|---|---|
| 30 yr fixed | 3.80% | 3.80% | |
| 15 yr fixed | 3.09% | 3.11% | |
| 5/1 ARM | 2.65% | 2.69% | |
| 30 yr refi | 3.77% | 3.86% | |
| 15 yr refi | 3.09% | 3.21% |
Today's featured rates:
| Index | Last | Change | % Change |
|---|---|---|---|
| Dow | 12,454.83 | -74.92 | -0.60% |
| Nasdaq | 2,837.53 | -1.85 | -0.07% |
| S&P 500 | 1,317.82 | -2.86 | -0.22% |
| Treasuries | 1.74 | -0.01 | -0.80% |
| Company | Price | Change | % Change |
|---|---|---|---|
| Bank of America Corp... | 7.15 | 0.01 | 0.14% |
| Sprint Nextel Corp | 2.62 | 0.09 | 3.56% |
| Cisco Systems Inc | 16.33 | -0.06 | -0.37% |
| Chesapeake Energy Co... | 15.81 | 0.23 | 1.48% |
| Ford Motor Co | 10.60 | 0.01 | 0.09% |
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