In a major anti-trust action, the Justice Department this morning filed a suit to stop the AT&T, T-mobile merger months in the making.

Bids from companies like Google, Amazon, Yahoo and DirecTV are expected. So what will a new owner get?

The beer brewer turns down another offer from the maker of Coors and Miller Light, claiming the price was too low.

The market decline is making some mergers more attractive. But both AT&T and T-Mobile already have such big incentives to strike a deal that fluctuating markets should have little effect on them.

Stock markets shift from "Manic Monday" to "Merger Monday" as companies swoop in on rivals to expand. Is this a sign of economic optimism?

Kraft will split into separate snack and food companies. It's the latest conglomerate to decide that bigger isn't necessarily better

The giant phone company delivers more data to the Federal Communications Commission to support its argument that a merger with T-Mobile will improve service and even cut costs for consumers.

News Corp.'s takeover of British Sky Broadcasting is looking less and less likely as the News of the World's cell phone hacking scandal deepens. And now U.S. lawmakers want to look into Murdoch properties in America.

Britain's government has referred Rupert Murdoch's bid to take full ownership of British broadcasting company BSkyB to its competition watchdog.