Roche Holding AG has agreed to buy U.S. biotech company InterMune Inc for $8.3 billion in cash, marking the latest multibillion-dollar deal in a consolidating pharmaceutical sector.

Neustar Inc, a company which helps North American telecommunication carriers route calls and text messages, is considering a potential sale amid interest from private equity firms, according to people familiar with the matter.

Investors owning 31 percent of shares of Allergan Inc have asked the company to call a special shareholder meeting, activist shareholder William Ackman said on Friday, giving the hedge fund manager a victory in his fight to acquire the Botox maker.

Power company Dynegy Inc (DYN.N) said on Friday that it would buy coal and gas power plants for $6.25 billion to increase its presence in two less regulated eastern U.S. markets, sending its shares up as much as 22.5 percent.

As Chinese banks prepare to raise $55 billion in the country's first preferred share offers, foreign investment banks with experience in structuring such deals are ready to pounce on a potential $275 million in underwriting fees.

California detectives are investigating a July computer theft at storied venture capital-firm Kleiner Perkins Caufield & Byers, a spokeswoman for the Menlo Park police said on Thursday. The theft may put Kleiner in jeopardy of losing valuable financial data and making the firm the latest in a long list of businesses that have lost sensitive information to thieves. In this case, the information was taken by physical, not electronic, means.

Germany's economy ministry will approve the sale of utility RWE's (RWEG.DE) oil and gas unit DEA to a Russian investor despite tensions between Russia and the West over the Ukraine crisis, two people familiar with the matter said.

Shake Shack, the fast-food restaurant chain that has developed a cult following for its 'Shackburgers', 'flat-top' hot dogs and eponymous shakes, has selected JPMorgan Chase & Co(JPM.N) and Morgan Stanley (MS.N) to lead a proposed initial public offering, according to people familiar with the matter.

San Francisco-based startup OnBeep has announced a new Series A round of $6.25 million in new funding to build what it calls “beautiful wearable communication devices that unite groups and allow teams to collaborate more fluidly in real time”.

Citigroup Inc (C.N) is preparing to sell its Japanese retail banking operations, a source with direct knowledge of the matter said on Wednesday, as it waves the white flag on a venture plagued by regulatory troubles and anemic lending.