In early trading, the Dow retreated almost 300 points, before recovering some ground, as worries mount over the ripple effects from Japan's quake and tsunami. The Nasdaq and S&P also fell sharply.
An 8.9 earthquake rocked Japan to its core, rattling businesses with operations in the affected areas. But the epicenter's distance from Tokyo saved many businesses from the worst of the damage. Could one of the aftershocks be an economic stimulus for the debt-ridden country?


