Japan's Nikkei index took a dramatic fall after the country was rocked by a 8.9 magnitude earthquake. But the market is seeing a rebound today, as the government invests billions of dollars to ensure liquidity.
Since nuclear reactors were first rolled out in the 1960s, critics have questioned the safety of General Electric's Mark 1 boiling-water reactors. And in the wake of the earthquake in Japan, GE may face global pullback from nuclear technology.
The ratings agency has downgraded Portugal's sovereign debt rating by two notches, citing the country's inability to control its debt problem. And it is just the latest in a rash of downgrades across the eurozone.