Minerals Technologies on Monday sealed a deal to acquire Amcol International for $1.74 billion after Imerys failed to return with a sweetened bid for the minerals producer.
Philadelphia firm follows peers Dow, DuPont in push to reshuffle businesses away from commodity-dependent products.
New York suitor sweetens offer to $45.75, trumps rival proposal from Imerys.
Reported $60 million bid for drone maker Titan Aerospace is miniscule investment that could have profound repercussions in connectivity arms race.
Toymaker Mattel said Friday it would acquire Mega Brands for $460 million in cash and assumed debt, adding a suite of construction and craft products to its massive portfolio of brands.
Activist investor targets directors Andreessen and Cook, prompts response from chairman and largest shareholder Omidyar.
Shares of DigitalGlobe lost about one-quarter of their value Wednesday after the satellite imaging firm reported weaker than expected fourth-quarter results and softer guidance despite buying out one of its chief rivals in 2012.
Carl Icahn on Wednesday escalated his criticism of eBay directors, calling the group "dysfunctional" and urging shareholders to instead support a competing slate the investor plans to offer for election.
Suitor alters bid to $65 per share, indicates willingness to go higher if Eddie Bauer deal is terminated.
Juniper Networks announced Friday a restructuring and board overhaul along with plans to return at least $3 billion to shareholders, giving in to demands by activist Elliott Management.