Southern Co. replaced the head of its Mississippi utility amid growing concern about the cost of a "clean coal" power plant whose estimated price tag has ballooned to $4.3 billion.

Doug Lawler, the Anadarko Petroleum executive picked to be Chesapeake Energy's second-ever CEO, was hired after Chesapeake shifted strategy in its search to replace Aubrey McClendon.

Sprint Nextel said it agreed to enter into negotiations with Dish Network Corp. about Dish's $25.5 billion bid for the wireless carrier. But Sprint stopped short of saying Dish's offer could be superior to what Japan's SoftBank has already bid.

Stefano Pessina, the billionaire head of Alliance Boots, says his company's partnership with Walgreen and AmeriSource Bergen will give them unparalleled prescription-drug purchasing power and streamline delivery logistics.

Neiman Marcus is scaling back its physical operations in China amid a broader slowdown in the country for luxury goods.

Giorgio Armani's sales and profit jumped strongly last year, driven by growth in Asia, even as other brands are experiencing a drastic slowdown there.

United Continental completed its first flight of a Boeing 787 Dreamliner with paying passengers since the planes were grounded in January.

Yahoo will face a series of cultural challenges as it tries to make its $1.1 billion acquisition of Tumblr pay off.

More than 20 people were injured Monday when a rest shelter outside a Cambodian garment factory collapsed and fell into a pond, adding to recent worries about safety in the country's garment sector.

Buyout firm Vista Equity Partners agreed to pay about $1 billion to acquire Websense, a maker of software and services designed to help protect companies against cyberattacks and data theft.