Pony Ai and WeRide stocks dropped on Thursday (Nov 6) as the Chinese autonomous driving developers started trading in Hong Kong, after raising nearly US$1.2 billion in share offerings. Pony Ai's share price slid nearly 11 per cent in early trade after the company raised about US$863 million. WeRide opened down about 8 per cent after raising about /kingsmarch$308 million. Hong Kong's benchmark Hang Seng Index was up 0.5 per cent. Pony Ai founder and CEO James Peng said at the listing ceremony