NEW YORK (AP) --

Shares of some top medical devices companies were mixed at the close of trading:
Abbott Labs fell $.48 or .9 percent, to $50.43.
Allergan fell $1.02 or 1.8 percent, to $56.36.
Bard fell $.14 or .2 percent, to $75.74.
Baxter fell $.63 or 1.2 percent, to $53.92.
Boston Scientific fell $.22 or 2.7 percent, to $7.99.
Hospira rose $.35 or .8 percent, to $45.25.
Johnson & Johnson fell $.56 or .9 percent, to $58.93.
Medtronic fell $.13 or .4 percent, to $35.99.
St Jude Medical fell $.03 or .1 percent, to $34.61.
Stryker fell $.32 or .7 percent, to $46.58.
Zimmer fell $.34 or .6 percent, to $52.43.