US dollar is falling across the board today as some optimism makes an appearance in the markets, and as traders continue to digest the latest statement from the Federal Reserve. The dollar index is down today, and greenback is struggling against its major counterparts.

The euro fell today as Standard & Poor’s downgraded Spain’s sovereign credit rating, adding to speculations that the debt crisis is spreading across Europe despite measures taken by European governments.

Euro is struggling this morning, thanks in large part to weak sentiment data. Losses have been limited, though, by the information out of the United States about what could happen next with the Federal Reserve. As a result, the euro is hovering around the level of its open, and struggling to move much higher.

The US dollar gained against the Japanese yen today before retreating to the opening level as the Federal Reserve refrained from adding stimulus to the US economy. The currency remained lower versus the euro and the Great Britain pound.

US dollar is mostly weaker as improved sentiment helps boost other currencies today. Concerns about the global economy, and about Europe, are fading a little bit, and that is helping other currencies against the US dollar. Greenback is not needed as a safe haven, and that is resulting in gains for a few other currencies.

Euro is mostly rangebound today, making small gains against the US dollar, after a Dutch bond auction proved reasonably successful. The euro has been struggling lately due to concerns about the political stability of eurozone countries, as well as continued worries about Spain.

US dollar is gaining today on the Forex market as traders look for safe haven. Uncertainty is causing problems, and that is prompting traders to look to capital preservation and stability. Greenback is backed by the most stable taxpayer base in the world, so it’s no surprise that it is on the rise today.

The euro was down today on concerns about the outcome of the presidential elections in France. The report that showed the manufacturing index falling to the lowest level in almost three years also had its negative impact on the currency.

Risk appetite is making a comeback in the markets today, and that is sending the US dollar mostly lower. The dollar index is losing ground, and the greenback is lower against many of the majors, especially the European currencies. With better earnings news out of the United States, and with better news in the eurozone, Forex traders are ready for a little risk.

Euro is weakening today against the US dollar and the UK pound as questions about the economic viability of the eurozone persist. Even though it’s clear that eurozone countries can still sell bonds, investors are asking for higher yields. The continued economic struggle in the eurozone is weighing on the euro.