Each Friday the Global Corporate Venturing Deal Net rounds up the week’s smaller deals and tracks the emerging companies accessing corporate funds.

TAL Education-backed online tutoring service Vedantu's Coatue-led series D round increased its valuation from $280m to $600m.

IT equipment provider Little Bear Rental will upgrade its partnership with JD.com following the round, where it raised a nine-digit renminbi amount.

Pfizer Ventures, billed as an existing investor, contributed to the $72.5m close of the antibody-drug conjugate developer's latest round.

Tiger Global led a series D round that doubled Slack-backed workforce engagement software provider Lattice's valuation to $400m.

The network management technology provider, which counts Cisco, Dell, Salesforce, Deutsche Telekom and Telstra as investors, has now raised $125m in total.

New investor Xiaomi and existing backer Nio Capital helped the charging and refuelling services provider take its total funding past $360m.

General Atlantic led a $75m series D round for Doctor on Demand, a virtual care provider with shareholders including GV, Qualcomm Ventures and Dignify Health.

Salesforce Ventures returned for a round that pushed the data backup technology developer's total funding past $100m and doubled its valuation.

ABB Technology Ventures co-led a round including Chevron that increased sodium-ion battery developer Natron's lifetime funding to more than $70m.