Health Care

Shares of some top pharmaceuticals companies were mixed at the close of trading: Baxter International Inc. rose $.74 or 1.1 percent, to $68.64.

Shares of some top managed care companies are up at 10 a.m.: Aetna rose $1.82 or 1.9 percent, to $99.74.

Bristol-Myers Squibb is using an acquisition that could be worth more than $1 billion and a separate collaboration agreement to continue its push into developing cancer treatments that use a patient's immune system to attack the disease.

In a story about BioCryst Pharmaceutical Inc.'s quarterly results, The Associated Press reported erroneously, in a report generated by Automated Insights using data from Zacks Investment Research, that the company is based in Birmingham, Alabama.

Shares of some top pharmaceuticals companies were up at the close of trading: Baxter International Inc. rose $.48 or .7 percent, to $67.90.

Shares of some top medical devices companies were up at the close of trading: Allergan rose $2.88 or 1.2 percent, to $234.00.

Shares of some top pharmaceuticals companies are mixed at 1 p.m.: Baxter International Inc. fell $.75 or 1.1 percent, to $66.68.

Shares of some top medical devices companies are mixed at 10 a.m.: Allergan rose $.34 or .1 percent, to $231.46.

Shares of some top biotechnology companies were mixed at the close of trading: Amgen Inc. rose $.27 or .2 percent, to $156.05.

Shares of some top health care equipment companies are down at 1 p.m.: Becton, Dickinson & Co. fell $.79 or .5 percent, to $143.10.

Shares of some top health care equipment companies are down at 10 a.m.: Becton, Dickinson & Co. fell $.52 or .4 percent, to $143.37.

Shares of some top health care equipment companies were down at the close of trading: Becton, Dickinson & Co. fell $.50 or .3 percent, to $143.39.

Shares of some top managed care companies were mixed at the close of trading: Aetna fell $.25 or .3 percent, to $96.64.

Shares of some top managed care companies are mixed at 1 p.m.: Aetna fell $.10 or .1 percent, to $96.79.

Shares of some top pharmaceuticals companies are mixed at 10 a.m.: Baxter International Inc. fell $.87 or 1.3 percent, to $67.53.

Shares of some top biotechnology companies are mixed at 1 p.m.: Amgen Inc. fell $.60 or .4 percent, to $155.18.

Shares of some top medical devices companies are mixed at 1 p.m.: Allergan rose $1.10 or .5 percent, to $230.60.

Shares of some top biotechnology companies are mixed at 10 a.m.: Amgen Inc. rose $.42 or .3 percent, to $154.66.

Shares of some top managed care companies are mixed at 10 a.m.: Aetna fell $.43 or .4 percent, to $96.19.

Shares of some top biotechnology companies were up at the close of trading: Amgen Inc. rose $1.54 or 1.0 percent, to $155.78.