Microsoft's stock selloff accounting for half of the Dow's decline

The selloff in Microsoft Corp.'s stock in morning trade Monday, after the company announced a deal to buy LinkedIn Corp. , was to blame for about half of the Dow Jones Industrial Average's slip into negative territory. The stock was down $1.66, or 3.2%, which was shaving about 11 points off the Dow's price. The Dow was down 22 points, but had been down as much as 71 points earlier in the session.

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