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Precision Castparts Joins S&P 500

It's replacing MedImmune.

Standard & Poor's said

Precision Castparts


will replace



in the

S&P 500

after the close of trading.

The change is being made because MedImmune is about to be acquired by

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. S&P 500 constituent


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will take MedImmune's place in the S&P 100.

Precision Castparts, a maker of components for industrial turbines and aerospace applications, was part of the S&P MidCap 400. Taking its slot in that index is

Endo Pharmaceuticals

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