By the Numbers

Stocks on the Move Now

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By The Numbers | Stocks on the Move Now

Shares of the following companies are showing unusual moves in Friday's trading session .

Among the winners, Georgia Gulf rose sharply after Westlake Chemical offered to buy the building-product maker for $30 a share in cash.

To the downside, Metabolix , a marker of biodegradeble plastic, fell on news that Archer Daniels Midland was terminating a joint venture with the company.

Winners