The artificial intelligence (AI) trade has continued to thrive on Wall Street despite global trade tensions. In the first quarter, these billionaire hedge fund managers sold Nvidia (NVDA 2.92%) and bought Arista Networks (ANET 5.29%), a stock that split in December and has returned 530% in the last five years: Importantly, Citadel and Millennium are two of the three most profitable hedge funds in the world, as measured by net gains since inception, which makes Griffin and Englander particularly good sources ...