Megvii files for an IPO in Shanghai, which may raise at least $922M; Megvii's HK IPO application had lapsed after it was blacklisted by the Trump administration (Bloomberg)

Nimble Robotics, which develops imitation learning-based warehouse robotic systems, raises $50M Series A, and adds Fei-Fei Li and Sebastian Thrun to its board (Brian Heater/TechCrunch)