Amazon has reportedly agreed to buy the ARM-backed semiconductor technology developer, which was still in stealth, to boost its Amazon Web Services division.

Johnson & Johnson and Takeda are among the investors committing $28m to fund graduates from the Israel-based programme.

Twitter has agreed to buy the Times Internet-backed mobile marketing company for a price reported to be about $40m.

Gaming company DeNA intends to make up to four seed investments in the virtual reality technology sector through September this year.

The Alibaba-backed group buying company raised the cash at a $7bn valuation, and is planning to go public sometime after 2016.