Shares of some top medical devices companies are up at 10 a.m.:
Abbott Labs rose $1.14 or 2.3 percent, to $49.86.
Allergan rose $3.14 or 5.3 percent, to $62.45.
Bard rose $2.29 or 2.8 percent, to $85.26.
Baxter rose $1.57 or 3.5 percent, to $46.69.
Boston Scientific rose $.24 or 3.8 percent, to $6.62.
Hospira rose $1.89 or 3.6 percent, to $53.99.
Johnson & Johnson rose $1.36 or 2.1 percent, to $64.67.
Medtronic rose $1.65 or 4.0 percent, to $42.90.
St Jude Medical rose $1.31 or 3.5 percent, to $38.46.
Stryker rose $2.41 or 4.5 percent, to $56.53.
Zimmer rose $2.60 or 4.4 percent, to $61.10.