The "Magnificent Seven" Stocks Could Help This Unstoppable Vanguard ETF Turn $200,000 Into $1 Million in Under 15 Years

The Magnificent Seven stocks have outperformed the S&P 500 index by a country mile over the past decade. The Magnificent Seven are fast becoming leaders in different areas of artificial intelligence (AI), which could fuel their future returns. The Vanguard Mega Cap Growth ETF holds the Magnificent Seven stocks with some diversification, and it could soar fivefold within the next 15 years.