Medical Devices companies shares up at 1 p.m.

Shares of some top medical devices companies are up at 1 p.m.:

Baxter International Inc. rose $1.67 or 2.4 percent, to $72.05.

Boston Scientific Corp. rose $.07 or .4 percent, to $18.48.

Johnson & Johnson rose $.29 or .3 percent, to $100.72.

Medtrnic rose $.75 or 1.0 percent, to $78.76.

St. Jude Medical Inc. rose $.54 or .7 percent, to $74.09.

Stryker rose $.65 or .7 percent, to $97.10.

Zimmer Holdings Inc. rose $.97 or .8 percent, to $118.46.