Group 1 - Uber plans to invest approximately $100 million in Pony.ai's IPO in Hong Kong, deepening its collaboration with the autonomous driving companies [1] - Pony.ai aims to raise up to $972 million in its Hong Kong IPO, while WeRide plans to raise up to $398 million [1] - Other potential investors in the IPOs include Grab, Temasek, and Bosch [1] Group 2 - Uber previously participated in the US IPOs of both Pony.ai and WeRide, and invested an additional $100 million in WeRide earlier this year [2] - Grab has been actively investing in the autonomous driving sector, including a recent investment in May Mobility, with plans to introduce autonomous taxis in Southeast Asia [2] - Grab has also invested in WeRide, planning to deploy autonomous taxi fleets in Southeast Asia [2] Group 3 - Pony.ai plans to use the funds raised from its IPO to commercialize L4 autonomous driving technology in ride-hailing and trucking services, and to invest in R&D [3] - WeRide intends to use its IPO proceeds for the development of autonomous driving technology and to accelerate the commercial production of L4 autonomous vehicle fleets [3]