Currency

The dollar and U.S. stock futures rose following President Barack Obama's announcement late Sunday night that Osama Bin Laden had been killed. Analysts said the boost to the currency was a signal of greater confidence in the United States and a reduction in national security risks.

The European debt crisis is back: Portugal is in political turmoil, and may need a major bailout, and Spain may too. But the E.U.'s strong healthy are rebelling against propping up their weaker neighbors. The real issue, though, is that the E.U. hasn't yet addressed the fundamental flaw built into it at the euro's creation.

The Group of Seven countries on Thursday agreed to intervene to reduce the value of the Japanese yen, which has surged to record levels after last week's earthquake and tsunami. A strong yen could cripple the country's exports and further damage its economy.

A resilient performance by Japanese shares helped stocks in Europe and the U.S. Thursday, while the yen pulled back from a record high against the dollar amid expectations that finance chiefs from the world's industrialized nations will discuss how to ease the currency's rise.

Most Wall Street experts are far better equipped to analyze a corporate risk over a political threat. But today, it's political unrest in the Middle East and beyond that's driving world markets. So we asked Ian Bremmer, president of political risk consultancy The Eurasia Group, to break down the major developments and what investors should expect.

One would think that with the Mideast crisis, oil prices skyrocketing and U.S. manufacturing rebounding smartly, the buck would be flying high. But no. Why that's so may lie in international perceptions about where interest rates are heading.

With Mideast turmoil chasing oil higher and stocks lower, it's a good time to check the charts and see what price levels seem to be key "lines in the sand." Some indicators have been warning for months that the steep rally was preparing to reverse.