Nvidia Corp. co-founder Jensen Huang’s wealth has surged as a blistering rally in AI-related stocks pushed the chipmaker’s market value above Amazon.com Inc.’s for the first time. The same rally has minted another billionaire in Huang’s own family: his distant cousin Lisa Su, chief executive officer of Nvidia competitor Advanced Micro Devices Inc., who’s worth $1.2 billion after the stock doubled over the past year. Two chipmaker billionaires in one family illustrates the scope of the artificial-intelligence craze, which has come to dominate the stock market and accounts for most of the wealth gained by the world’s richest people this […]