March 6 (Reuters) - Wall Street's main indexes opened lower on Friday as the conflict raging in the Middle East threatened to fuel inflation through higher energy costs and data showed the economy unexpectedly shed jobs in February.
The Dow Jones Industrial Average .DJI fell 320.2 points, or 0.67%, at the open to 47,634.55. The S&P 500 .SPX fell 61.7 points, or 0.90%, at the open to 6,769.03, while the Nasdaq Composite .IXIC dropped 327.8 points, or 1.44%, to 22,421.172 at the opening bell.