The Dow plunged today, erasing its gains for the year.
Stocks are plunging in another broad sell-off as investors grow concerned about an economic slowdown in the U.S. and Europe.
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The Dow Jones industrial average dove more than 350 points, erasing its gains for the year.
The latest sign of weakness in the U.S. economy was a report that the number of first-time claims for unemployment edged only slightly lower last week. It is the latest sign that the job market remains stagnant.
UPDATE: This was one of the top 10 worst days for the Dow.