Midday: Koreas exchanged fire bring disaster to Wall Street the Dow fell 180 points

Dow component Exxon Mobil (XOM) fell 2.4%, Chevron (CVX) fell 2.5%, Alcoa (AA) fell 2%.

Hewlett-Packard (HPQ) rose 0.6%, rising to be the only one Dow component. The company said late Monday released a good fourth quarter results, and publish the results better than expected forecast.

S & P 500 index and the Nasdaq were down, led by energy and raw materials sector tape.

About geopolitical risk is a major force in the market on Tuesday. In the disputed western sea border near North Korea's an island shelling, killing two South Korean navy fire deaths and a number of buildings. South Korean troops to fight back immediately.

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The euro fell below $ 1.34 for the first time in nearly two months