Health Care

Shares of some top biotechnology companies were mixed at the close of trading: Amgen Inc. fell $.67 or .4 percent, to $162.42.

A look at the 10 biggest percentage gainers on Nasdaq at 1 p.m.: Achillion Pharmaceuticals Inc. rose 23.5 percent to $12.48.

Shares of some top pharmaceuticals companies were mixed at the close of trading: Baxter International Inc. rose $.02 or percent, to $70.63.

Shares of some top medical devices companies were mixed at the close of trading: Allergan fell $.76 or .4 percent, to $195.24.

Shares of some top managed care companies were up at the close of trading: Aetna rose $1.73 or 2.1 percent, to $84.02.

Shares of some top health care equipment companies were up at the close of trading: Becton, Dickinson & Co. rose $2.76 or 2.2 percent, to $128.30.

Shares of some top biotechnology companies are up at 1 p.m.: Amgen Inc. rose $2.39 or 1.5 percent, to $162.03.

Shares of some top managed care companies are up at 1 p.m.: Aetna rose $.95 or 1.2 percent, to $83.24.

Shares of some top health care equipment companies are up at 1 p.m.: Becton, Dickinson & Co. rose $1.79 or 1.4 percent, to $127.33.

Shares of some top pharmaceuticals companies are mixed at 1 p.m.: Baxter International Inc. fell $.06 or .1 percent, to $70.55.

Shares of some top managed care companies are up at 10 a.m.: Aetna rose $1.11 or 1.3 percent, to $83.40.

Shares of some top health care equipment companies are mixed at 10 a.m.: Becton, Dickinson & Co. rose $.49 or .4 percent, to $126.03.

Shares of some top pharmaceuticals companies are mixed at 10 a.m.: Baxter International Inc. fell $.09 or .1 percent, to $70.52.

Shares of some top medical devices companies are mixed at 10 a.m.: Allergan fell $.59 or .3 percent, to $195.41.

Stocks that moved substantially or traded heavily Monday on the New York Stock Exchange and the Nasdaq Stock Market: NYSE Dean Foods Co. (DF), up $1.98to $16.40 The milk company reported better-than-expected quarterly financial results and a stronger-than-expected financial outlook.

Shares of Achillion Pharmaceuticals climbed Monday after the company reported clinical trial results for one of its experimental hepatitis C drugs.

Alexion Pharmaceuticals has named Senior Vice President Julie O'Neill to replace company co-founder Stephen Squinto when the executive vice president and chief global operations officer retires Jan. 1 O'Neill currently oversees global manufacturing operations and serves as Alexion's general manager for Ireland.

Shares of some top health care equipment companies were down at the close of trading: Becton, Dickinson & Co. fell $2.39 or 1.9 percent, to $125.54.

Shares of some top medical devices companies are down at 1 p.m.: Allergan fell $2.71 or 1.4 percent, to $194.69.

Shares of some top health care equipment companies are down at 1 p.m.: Becton, Dickinson & Co. fell $1.64 or 1.3 percent, to $126.29.