Energy and health care companies led major stock indexes higher Tuesday, even as crude oil resumed its slide.
The S&P 500 closed at a record high as deal activity worth $100 billion offset concerns about overseas growth after Japan's economy slipped into recession.
Actavis is paying $66 billion to buy fellow drugmaker Allergan in a deal that could finally end a months-long takeover battle for the Botox-maker.
Halliburton is buying rival oilfield services company Baker Hughes in a cash-and-stock deal worth $34.6 billion.
PetSmart has put itself up for sale, following high-profile moves to go private from CEC Entertainment, the Jones Group and Tibco.
Berkshire Hathaway agrees to acquire Procter & Gamble's Duracell battery business for about $3 billion.
American rapper Jay Z has purchased the legendary Armand de Brignac Champagne brand, known for its incredibly expensive gold bottles of Champagne.
Chiquita Brands agrees to sell itself to two Brazilian companies just days after the company's shareholders rejected plans to merge with Ireland's Fyffes.
AMC Networks agrees to pay $200 million for a 49.9 percent stake in BBC America and would take operational control of the cable television channel.
IBM is paying $1.5 billion to Globalfoundries in order to shed its costly chip division, the companies have announced.
AbbVie says stockholders should vote against its $55 billion takeover offer for Shire after tax changes reduced the financial advantages of the deal.
Have gamers and investors decided that they're over with Kim Kardashian? Ruby Tuesday on its way back, but Caesars is down for the count.
Silicon Valley stalwart Hewlett-Packard, will split into two companies as it looks to put more focus on the faster-growing corporate services market.
Sears, sorely in need of cash, is selling most of its stake in its Canadian unit to raise as much as $380 million.
In a filing defending its proposed merger with Time Warner Cable, Comcast mentioned Netflix more than competition, monopoly and antitrust -- combined.
EBay has announced a plan under which its PayPal and eBay marketplace businesses would be split into separate publicly traded companies by mid-2015.
The Treasury Department this week issued rules that limit tax inversions, but they fail to get into the broader tax reform that's needed.
Family Dollar tells shareholders to reject an unsolicited, $9.1 billion takeover bid from its rival, Dollar General.
Investors played it safe Monday ahead of a potentially pivotal Fed meeting. While large company stocks ended the day little changed, smaller stocks slumped.
Apple's latest announcement was good for accessory maker On Track Innovations but bad for screen marker GT Advanced Technologies.
Dollar General is going hostile with its $9.1 billion bid for Family Dollar after repeated rejections of previous offers by its rival.
General Mills agrees to acquire organic food producer Annie's for about $820 million to expand its presence in the fast-growing U.S. natural foods market.
Sweden's Electrolux is buying the appliances business of General Electric for $3.3 billion, boosting its presence on the North American market.