Apple continues its run of artificial intelligence acquisitions by purchasing Emotient, a spinout from University of California, San Diego, for an undisclosed amount.

GV exited the voice messaging app developer, which had raised $1.8m in 2014, and which Spotify acquired alongside Ireland-based social network Soundwave.

Sandisk is set to exit Altair Semiconductor, just over a year after it invested an undisclosed sum in the company, which had already raised about $125m.

Softbank, KT and Recruit have exited Ustream in an acquisition by IBM, which will integrate the video streaming platform into its new Cloud Video Services division.

Mindtree will make an upfront payment of $37m with the remainder as performance fees over the next two years.

IP Group's unaudited accounts for 2015 show a $285m increase in the fair value of its portfolio, making 2015 the firm's most financially successful year to date.

Juno Therapeutics increases its cancer treating T-cell research by acquiring Harvard spinout Abvitro, which focuses on diseases resistant to the immune system.

Pharmaceutical firm Strides Arcolab holds a 12% stake in the biosimilar developer after investing $9m in 2014.

Norwest-backed Threadflip has shut down and revealed a partnership with Le Tote, though neither company has disclosed whether the deal is a formal acquisition.