Special K was once just a line of cereals. Today, it's a diet food empire.

Actavis is buying Warner Chilcott in an all-stock deal valued at about $8.5 billion that would create the third-biggest specialty pharmaceutical company in the U.S. market.

Yahoo is buying online blogging forum Tumblr for $1.1 billion as CEO Marissa Mayer tries to rejuvenate an Internet icon that had fallen behind the times.

A businesswoman in southern China has been sentenced to death on charges of defrauding investors as the government tightens controls on informal financing that is widely used by entrepreneurs.

United Airlines is getting its 787s back in the air.

A stock market surge took a pause Monday after investors pushed indexes to record levels last week.

The Supreme Court has affirmed the authority of federal regulators to try to speed local government decisions on proposals to build or expand cell phone towers.

Rival online takeout services Seamless North America and GrubHub on Monday announced plans to combine and create a new company covering more than 20,000 restaurants in 500 cities across the U.S.

Facebook made its debut on the stock market a year ago on May 18 in one of the largest IPOs in history and the biggest for any Internet company.

Stocks are opening slightly lower on Wall Street as the stock market comes off of four straight weeks of gains.

U.S. stock futures are relatively flat as investors take a breather and some analysts wonder how long the bull-market run can last.

Yahoo is buying online blogging forum Tumblr for $1.1 billion as CEO Marissa Mayer tries to rejuvenate an Internet icon that had fallen behind the times.

Actavis is buying Warner Chilcott in an all-stock transaction valued at about $8.5 billion which would create the third-biggest specialty pharmaceutical company in the U.S.

Chesapeake Energy has named Anadarko Petroleum executive Robert Douglas Lawler as its new CEO.

Stock markets remained relatively solid Monday as evidence of a steady economic recovery in the U.S. continued to shore up sentiment.

Jamie Dimon, chairman and CEO of the country's biggest bank, faces a key test this week: His shareholders are voting on whether to let him keep both jobs.

Sunbathers headed to the beach this summer will find new sunscreen labels on store shelves that are designed to make the products more effective and easier to use. But despite those long-awaited changes, many sunscreens continue to carry SPF ratings that some experts consider misleading and potentially dangerous, according to a consumer watchdog group.

Ryanair reported record profits Monday as Europe's largest budget airline relentlessly expanded its route network across the continent and into North Africa.

Do your kids love chocolate milk? It may have more calories on average than you thought.

"Star Trek: Into Darkness" has warped its way to a $70.6 million domestic launch from Friday to Sunday, though it's not setting any light-speed records with a debut that's lower than the studio's expectations.