Foreign exchange news can break at any point. This is a 24 hour market and press releases are being made in different time zones all around the planet. From time to time, there can be an unforeseen event such as a major disaster that will affect currency prices.
Generally it is not necessary for a trader to be watching for foreign exchange stories from every country in the world. Some are going to affect you more than others. Industrial reports in the States affects us all due to the signification of the US buck in the market. Beyond that, you’ll need to watch for news from the countries whose currencies you really trade. In the case of the euro, the major powers are Germany, France, Italy and Spain. Remember that Britain and Switzerland have their own currencies. Many also publish a forex calendar. You might want to sign up for a second service to be certain of seeing all of the reports you will need. Some will send currency exchange reports alerts to your e-mail, phonephone or desktop.