Health Care

A look at the 10 biggest percentage decliners on Nasdaq at 1 p.m.: Park Ohio Holding Corp. fell 14.5 percent to $47.98.

Shares of some top medical devices companies are up at 1 p.m.: Allergan rose $4.04 or 1.7 percent, to $241.38.

Shares of some top managed care companies are up at 1 p.m.: Aetna rose $2.02 or 1.9 percent, to $106.11.

Shares of some top biotechnology companies are up at 1 p.m.: Amgen Inc. rose $8.19 or 5.3 percent, to $162.45.

Shares of some top pharmaceuticals companies are up at 1 p.m.: Baxter International Inc. rose $.74 or 1.1 percent, to $68.10.

Valeant is raising its offer for Salix Pharmaceuticals to about $11.11 billion, heating up a bidding fight for the company.

Shares of some top managed care companies are mixed at 1 p.m.: Aetna rose $.54 or .5 percent, to $102.66.

Shares of some top medical devices companies are down at 1 p.m.: Allergan fell $.26 or .1 percent, to $236.91.

Shares of some top pharmaceuticals companies are mixed at 10 a.m.: Baxter International Inc. rose $.15 or .2 percent, to $67.15.

Shares of some top health care equipment companies are down at 1 p.m.: Becton, Dickinson & Co. fell $1.38 or 1.0 percent, to $141.66.

Shares of some top medical devices companies are mixed at 10 a.m.: Allergan fell $.04 or percent, to $237.13.

Shares of some top health care equipment companies are down at 10 a.m.: Becton, Dickinson & Co. fell $.50 or .3 percent, to $142.54.

Shares of some top biotechnology companies are mixed at 10 a.m.: Amgen Inc. fell $.08 or .1 percent, to $154.17.

Shares of some top managed care companies are mixed at 10 a.m.: Aetna fell $.01 or percent, to $102.12.

Shares of some top pharmaceuticals companies were mixed at the close of trading: Baxter International Inc. fell $.01 or percent, to $67.00.

Shares of some top health care equipment companies are up at 1 p.m.: Becton, Dickinson & Co. rose $1.70 or 1.2 percent, to $142.69.

Shares of some top medical devices companies are up at 10 a.m.: Allergan rose $.96 or .4 percent, to $236.22.

Shares of some top biotechnology companies are up at 10 a.m.: Amgen Inc. rose $1.27 or .8 percent, to $153.97.

Shares of some top health care equipment companies are up at 10 a.m.: Becton, Dickinson & Co. rose $1.86 or 1.3 percent, to $142.85.

Shares of some top pharmaceuticals companies are up at 10 a.m.: Baxter International Inc. rose $.23 or .3 percent, to $67.24.