Dow sinks 600 points as Wall Street fears a prolonged war with Iran

Global stocks remained volatile for a second day Tuesday, moving lower as concern mounted among investors that the widening conflict in the Middle East could escalate further.

The Dow sank 597 points, or 1.2%, paring some losses after tumbling more than 1,200 points earlier. The S&P 500 sank 1.35% and the Nasdaq moved 1.46% lower, both partially recovering from declines of more than 2%.