China's Pony.ai sees shares drop 12% as autonomous driving firm debuts in Hong Kong
1. Pony.ai shares dropped over 12% amid Hong Kong IPO debut. 2. Pony.ai raised $860 million to develop Level 4 autonomous driving. 3. Competitors Baidu and Waymo overshadow Pony.ai's market presence. 4. U.S. regulatory issues may hinder Pony.ai's expansion efforts. 5. Dual listings in Hong Kong increase investor interest but don't ease U.S. challenges.