IntercontinentalExchange acquires trading technology provider SuperDerivatives for $350 million.
Activist shareholder Elliot Management, which took two board seats in January, supports the buyout.
After a regulatory filing by a shareholder suggested that Madison Square Garden is undervalued, shares of the New York sports and entertainment group were up 2% Monday.
Though Google had been the rumored acquirer of Twitch Interactive for months, Amazon.com announced a $970 million purchase of the gaming video company.
Owner of USA Today will spin newspaper unit, buy out 73% stake in parent of Cars.com for $1.8 billion.
Alibaba Group Holding's $120 million investment in Kabam underscores the value of video games in e-commerce and other sectors.
Canadian media group Shaw Communications is expanding into the U.S. data center market with the $1.2 billion purchase of private equity-backed ViaWest.
Arkansas telecom will spin off its fiber and copper network assets into a new REIT, others may follow suit.
Integrated Whale Media Investments wins auction with bid that values financial news publisher at $475 million.
Target rejected formal $80 billion offer from Rupert Murdoch's film and TV group in June.