YY's live game streaming spinoff, which also counts Tencent as a major investor, is floating in the US at the top of its range.

The AMT, Accuron and Tianda Pharmaceuticals-backed cancer drug developer raised half of its initial target for the offering.

UCL spinout Autolus has filed for an initial public offering on Nasdaq and plans on using the proceeds to further develop its range of cancer treatments.

The WuXi PharmaTech and Mayo Clinic-backed aging disease drug developer floated at the midpoint of its range.

The sleep apnea developer, backed by Medtronic and Johnson & Johnson, floated at the top of its range before seeing its stock rise 56% on the first day.

The Samsung Ventures-backed laser manufacturing technology developer popped 56% after floating above its range last week.

Comcast Ventures and GV are both selling shares in an upsized offering that will give the digital signature technology developer a $4.4bn market cap.

The underwriters have bought 5.5 million more shares, allowing the EMC spinoff to close its initial public offering.

Novartis invested another $11.5m in the immuno-oncology drug developer, which is also backed by Eli Lilly and Amgen, alongside the offering.

GE is selling $58m of shares in the Dell EMC spinout, which is also backed by Ford and VMware, as it prepares to float in the middle of its range.