This Vanguard index fund provides exposure to a plethora of artificial intelligence stocks, including Microsoft, Apple, Nvidia, Broadcom, and Advanced Micro Devices.The Vanguard Information Technology ETF (VGT 0.12%) returned 1,500% during the last decade and a half, growing by 20.3% annually. At that pace, $400 invested monthly in the exchange-traded fund (ETF) would now be worth more than$350,000.Those monster gains were due in part to artificial intelligence (AI) stocks Nvidia (NVDA -1.62%) and Broadcom ...