Vurb, a contextualised search app that had raised $10m from backers including Tencent, is set to be acquired by Snapchat in a 75-25 stock-cash deal.

CME Group exited deep learning technology startup Nervana Systems, which had disclosed about $25m in VC funding, through the acquisition.

Mobile payment technology provider Citrus Pay is set to be bought for up to $180m in a cash deal that will allow e-commerce companies eContext and Beenos to exit.

Wal-Mart has closed the $3.3bn acquisition of e-commerce company Jet.com, providing exits to Alphabet and Alibaba in the process.

Pfizer invested in Bamboo in the first quarter and has agreed to pay up to $645m in total to acquire the company, depending on milestones.

Intel Capital-backed News Republic has been acquired by Cheetah Mobile for $57m, after raising about $9m from backers also including Xange Private Equity and Creathor Venture.

SteelBrick had raised almost $78m in less than three years from investors including Salesforce Ventures, whose parent company has now bought the company.

Interactive word processing software provider Quip had raised $45m in funding since 2012 from backers including Salesforce Ventures.

Uber has lost its battle in China, but as the largest shareholder in a $35bn company that is the overwhelming market leader it may yet win the war.