The European debut of a pill to treat children with attention deficit hyperactivity disorder faces a major hurdle: convincing people the condition exists.

They're among the best performers in the Russell 2000 and they all share something in common. Know what it is?

Kohlberg Kravis Roberts & Co. is dominating the market for health care deals, even as other firms shy away from the sector amid uncertainty in the U.S. market. The New York firm's  $1.7 billion acquisition ...

The Food and Drug Administration’s announcement comes after studies revealed chickens had higher-than-normal levels of the compound, which is primarily used to prevent disease and promote animal growth....

Shares of some top medical devices companies were mixed at the close of trading: Allergan rose $.32 or .4 percent, to $90.77. Baxter International Inc. fell $.11 or .2 percent, to $65.58. Boston Scientific ...

Shares of some top pharmaceuticals companies were mixed at the close of trading: Baxter International Inc. fell $.11 or .2 percent, to $65.58. Bristol-Myers Squibb Co. rose $.96 or 2.1 percent, to $47.24. ...

Shares of some top health care equipment companies were mixed at the close of trading: Becton, Dickinson & Co. rose $.90 or .9 percent, to $100.92. Covidien rose $.15 or .2 percent, to $61.09. Patterson ...

Shares of some top biotechnology companies were mixed at the close of trading: Amgen Inc. rose $2.66 or 2.4 percent, to $114.58. Biogen Idec rose $4.16 or 1.7 percent, to $244.92. Celgene Corp. rose $3.06 ...

Shares of some top drug benefits companies were up at the close of trading: CVSCaremark rose $.79 or 1.4 percent, to $57.54. Express Scripts Holding Co. rose $.83 or 1.3 percent, to $62.63.

WellCare Health Plans, Inc. agreed to acquire some of the assets of Healthfirst Health plan of New Jersey, Inc. (Healthfirst NJ) for an undisclosed amount.

MarketWatch seeks your help in assessing the success or failure of Obamacare through our survey.

Merck (MRK) has announced it will cut 8500 positions in efforts to restructure the company and reduce costs.

Analysis of Top healthcare Business News: 4 Healthcare Stock Stories Making a Big Buzz Today

How are biotech companies and the FDA impacted by the government shutdown? Yaron Werber of Citi Investment Research, offers insight.

Shares of Delcath Systems Inc. jumped in afterhours trading Tuesday after the medical device and drugmaker said it received preferential regulatory status for its experimental treatment for liver cancer. ...

Early data from a small trial of Merck & Co Inc's experimental immunotherapy cancer drug, known as MK-3475, showed that about a quarter of lung cancer patients responded to the treatment. Data from the ...

On the day consumers start perusing newly launched federal online health exchanges, Republican governors who oppose President Barack Obama's insurance overhaul are mostly sitting on their hands. But the ...

NextGxDx and athenahealth collaborate to improve genetic testing

Walgreen Co.'s fiscal fourth-quarter earnings soared 86 percent, as the nation's largest drugstore chain booked a big inventory-related gain and benefited from its acquisition of a stake in European health ...

Merck & Co. plans to cut another 8,500 jobs as the drugmaker continues its struggle with competition from cheaper generic medications that have squeezed the pharmaceutical industry for several quarters ...

The first day of Obamacare was good to health-care companies, as virtually all S&P 500 components in the sector were on the plus side when trading ended on Tuesday, and insurance firms made a mark.

It's a political perfect storm: The pairing of a government shutdown with the rollout of a big chunk of the health care law is illustrating all sorts of partisan and cultural tensions that are roiling ...

The National Institutes of Health began turning away patients for experimental treatment, and rugged Yellowstone National Park was closed to visitors as the vast machinery of government clanged into partial ...

Merck plans to slash its 81,000-strong workforce by 20% over the next two years as part of a broad restructuring of its R&D practices, a move aimed at adapting the century-old pharmaceutical company to ...

Cigna rolls out initiatives to provide better service to patients.

Shares of H&R Block Inc. rose Tuesday after a Morgan Stanley analyst recommended that investors buy shares of the biggest U.S. tax preparer, largely because of its plan to capitalize on the new federal ...

A woman looks at the HealthCare. gov insurance exchange internet site October 1, 2013 in Washington, DC. US President Barack Obama's Affordable Care Act, or Obamacare as it is commonly called, passed in March 2010, went into effect Tuesday at 8am EST. Heavy Internet traffic and system problems plagued the [...]

Healthcare stocks didn't tank the way you might have expected on the day the wheels of Obamacare were set in motion.

Healthcare has been the hot sector and it's going to get hotter. Once everyone is finished posturing in Washington, they will simply go ahead and do what should have been done at least a week ago: fund ...

(Editors' Note: This article covers a micro-cap stock. Please be aware of the risks associated with these stocks.) Brain cancers are among the most deadly and hard-to-treat types of cancer in existence. ...

Myriad Genetics (MYGN) announced that BioMarin Pharmaceutical (BMRN) will use Myriad's BRACAnalysis test in connection with its pivotal Phase 3 clinical studies for BMN 673. BMN 673 is a novel, orally-active ...

Shares of Walgreen ( WAG ) jumped up following the release of the company's fourth quarter results. Investors are enthusiastic about the deals with Alliance Boots and AmerisourceBergen which start to sort ...

On October 1, 2013, the US government shut down. Look for increased volatility and delayed revenues in medical device stocks and exchange-traded funds.

Astellas Pharma announced positive top-line data from a phase III study (SECURE) on its invasive aspergillosis candidate, isavuconazole.

CEO Ken Frazier’s commitment to research and development in recent years has failed to pay off

In the biotechnology world time and money is well spent as long as the end game becomes closer at hand. It's been a very productive few months for both Mannkind ( MNKD ) and Peregrine Pharmaceuticals ( ...

Merck Revamp Should Lift Stock

It's too late to buy insurers and hospital stocks, but Bespoke Investment Group's Paul Hickey said there are other ways to play the Obamacare launch.

The vehemence of the Tea Party aside, Republican efforts to derail the Affordable Care Act aren’t entirely irrational. It’s a threat to their party.

With a tax on medical-device makers a top issue in the battle over the federal budget, the CEO of Stryker Corp. says the Affordable Care Act may bring new customers, but at a cost.

The Medtronic device is designed to suspend insulin delivery in diabetes patients when blood-sugar levels are very low

Merck & Co.’s experimental cancer drug that uses the immune system to target tumors triggered a response in about a quarter of lung cancer patients, according to preliminary results of an early study.

Amgen Inc., the world’s largest biotechnology company, won’t have to face a drug-marketing lawsuit brought by a New Jersey doctor whom the U.S. describes as a professional whistle-blower.

How the government shutdown is hitting the insurers, and where to buy in the medical device space, with Paul Hickey, Bespoke Investment Group.

Paul Hickey, Bespoke Investment Group, says it's too late to buy insurers and hospital stocks on the expectation they'll be helped by Obamacare. Instead, he has some stock recommendations he thinks are ...

By Ransdell Pierson (Reuters) - Merck & Co (NYS:MRK), taking a cue from rival drugmakers that have slashed research spending to bolster earnings, said it will cut annual operating costs by $2.5 billion ...

Merck & Co, taking a cue from rival drugmakers that have slashed research spending to bolster earnings, said it will cut annual operating costs by $2.5 billion and eliminate 8,500 jobs, or more than 10 ...

The launch of a federal health insurance marketplace that allows consumers to shop for and buy health insurance got off to a slow start across Oklahoma on Tuesday, but officials said that wasn't necessarily ...