Health Care

Shares of some top managed care companies are down at 10 a.m.: Aetna fell $.66 or .7 percent, to $88.90.

Shares of some top pharmaceuticals companies are mixed at 10 a.m.: Baxter International Inc. fell $.08 or .1 percent, to $73.71.

Shares of some top medical devices companies are down at 10 a.m.: Allergan fell $.68 or .3 percent, to $211.72.

Companies providing Ohio with lethal injection drugs would have their names shielded for at least 20 years, under a bill scheduled for a possible vote that lawmakers say is needed to restart executions in the state.

Shares of some top biotechnology companies were mixed at the close of trading: Amgen Inc. fell $2.25 or 1.3 percent, to $169.39.

Merck is buying Cubist Pharmaceuticals for $8.4 billion, illustrating a new emphasis on combating so-called "superbugs" that are drawing dire warnings from global health organizations.

Shares of some top managed care companies are mixed at 1 p.m.: Aetna fell $.55 or .6 percent, to $90.07.

Shares of some top medical devices companies are mixed at 1 p.m.: Allergan fell $.15 or .1 percent, to $213.20.

Shares of some top medical devices companies are mixed at 10 a.m.: Allergan rose $.39 or .2 percent, to $213.74.

Shares of some top pharmaceuticals companies are mixed at 10 a.m.: Baxter International Inc. rose $.13 or .2 percent, to $74.35.

Shares of some top medical devices companies were mixed at the close of trading: Allergan fell $.79 or .4 percent, to $212.56.

Shares of some top managed care companies were mixed at the close of trading: Aetna fell $.50 or .6 percent, to $90.12.

Shares of some top health care equipment companies were mixed at the close of trading: Becton, Dickinson & Co. rose $1.23 or .9 percent, to $139.78.

Shares of some top pharmaceuticals companies were mixed at the close of trading: Baxter International Inc. fell $.10 or .1 percent, to $74.12.

Stocks that moved substantially or traded heavily Monday on the New York Stock Exchange and the Nasdaq Stock Market: NYSE McDonald's Corp., down $3.70 to $92.61 The world's biggest burger chain said sales at its restaurants around the world fell 2.2 percent in November.

Missouri Attorney General Chris Koster on Monday denied claims that he was influenced by campaign contributions and lobbyist perks while tackling consumer fraud issues, an argument strong enough to convince lawmakers tasked with investigating him that his actions led only to an appearance of misconduct.

Shares of some top health care equipment companies are mixed at 1 p.m.: Becton, Dickinson & Co. rose $1.27 or .9 percent, to $139.82.

Shares of some top pharmaceuticals companies are mixed at 1 p.m.: Baxter International Inc. fell $.01 or percent, to $74.21.

A look at the 10 biggest percentage gainers on Nasdaq at 1 p.m.: Cubist Pharmaceuticals Inc. rose 35.5 percent to $100.73.

Shares of some top biotechnology companies are up at 1 p.m.: Amgen Inc. rose $3.10 or 1.8 percent, to $172.34.