Hong Kong/Taipei CNN — Jensen Huang and Lisa Su have a lot in common. The chief executives of Nvidia (NVDA) and AMD (AMD) aren’t just two of the most powerful people in the global AI chip industry, they’re also family. The connection was first acknowledged by Su in 2020, and more recently, has been fleshed out in detail by Jean Wu, a Taiwanese genealogist. The two didn’t grow up together, which may make it easier considering they now compete against each other atop one of the world’s most closely-watched sectors. Theirs is a shared family history with roots in Taiwan,...