Kwon Oh-hyun thwarted predictions of his assuming a bigger role in the company by announcing his resignation.
The company bought the Bonded Services Group for ?57 million, as well as two Credit Suisse data centres for $100 million.
A consortium led by Bain Capital Private Equity will buy Toshiba's computer memory chip business for $18 billion.
The Internet giant has acquired HTC's Pixel division for $1.1 billion.
Leading the race to buy Toshiba Corporation's prized memory chip unit, Bain Capital has brought in Dell and other tech firms to bolster its bid.
The company acquires IBB Consulting and design and innovation firm Matter.
The company submitted plans to stop favouring its shopping service to comply with a European Union anti-trust order.
Fujitsu looks to offload its mobile operations as it faces stiff competition from bigger rivals.
The company bought AIMatter and Senosis Health in the past week.
The company made significant investments in Roivant, Fanatics and Flipkart.
Discovery Communications acquired Scripps Network Interactive for $14.6 billion, consolidating the major pay-TV players.
The Indian e-commerce company bought the Indian online marketplace for $950 million.