Hedge fund Elliott Management is believed to be the plaintiff in a lawsuit over the $10.4B merger.
Portugal Telecom agrees to accept a smaller-than-expected stake in the company it is creating by merging with Brazil's Oi after an Espirito Santo affiliate default.
Agricultural giant Archer Daniels Midland on Monday agreed to buy Wild Flavors o expand its natural flavors business.
Switzerland's Roche Holding agreed to buy recently created San Diego biotech Seragon Pharmaceuticals for up to $1.73 billion
Carlos Slim's holding company is buying an 8.3% stake in the Mexican tycoon's America Movil phone company from AT&T, ending a 20-year relationship.
After a six-month hiatus, Liberty Global said Friday it would launch its contentious $6.7 billion offer for the 71.5% of Dutch rival Ziggo it doesn't already own in July.
Chinese e-commerce company Alibaba Group Holding on Friday chose the New York Stock Exchange for its potentially record-setting initial public offering, dealing a blow to the technology-heavy Nasdaq.
The European Commission on Wednesday said it would review the proposed acquisition of Ziggo by Liberty Global, denying a request from Dutch authorities to take over the review.
Abbott Laboratories on Tuesday agreed to buy Russia's Veropharm for as much as $640 million.
Acquisitive Minneapolis medical device specialist Medtronic on Sunday agreed to buy Irish rival Covidien for $42.9 billion to expand its portfolio and geographic footprint while gaining tax advantages.