updated 11/12/2010 10:52:34 AM ET 2010-11-12T15:52:34

Shares of some top medical devices companies are mixed at 10 a.m.:

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Abbott Labs fell $.79 or 1.6 percent, to $48.99.

Allergan rose $.18 or .3 percent, to $69.37.

Bard fell $.50 or .6 percent, to $85.37.

Baxter fell $.32 or .6 percent, to $51.66.

Boston Scientific fell $.08 or 1.2 percent, to $6.77.

Hospira fell $.30 or .5 percent, to $58.83.

Johnson & Johnson rose $.13 or .2 percent, to $64.05.

Medtronic fell $.24 or .7 percent, to $35.25.

St Jude Medical fell $.30 or .8 percent, to $38.89.

Stryker fell $.42 or .8 percent, to $51.77.

Zimmer fell $.21 or .4 percent, to $51.08.

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