Shares of some top medical devices companies are up at noon:
Abbott Labs rose $.80 or 1.6 percent, to $49.52.
Allergan rose $3.40 or 5.7 percent, to $62.71.
Bard rose $1.84 or 2.2 percent, to $84.81.
Baxter rose $1.18 or 2.6 percent, to $46.30.
Boston Scientific rose $.18 or 2.8 percent, to $6.56.
Hospira rose $1.92 or 3.7 percent, to $54.02.
Johnson & Johnson rose $1.07 or 1.7 percent, to $64.38.
Medtronic rose $1.42 or 3.4 percent, to $42.67.
St Jude Medical rose $1.00 or 2.7 percent, to $38.15.
Stryker rose $2.17 or 4.0 percent, to $56.29.
Zimmer rose $2.45 or 4.2 percent, to $60.95.