AI Wealth Boom Reshapes Markets, Creates Historic Wealth Concentration

Thirty AI stocks have delivered a $5 trillion wealth gain to American households since the November 2022 launch of ChatGPT, but the gains are strikingly unequal: the richest 1% of households captured over $25 trillion in stock wealth by mid-2025, while the poorest half held just $540 billion. The S&P 500 has surged 80 percent in roughly three years, driven by technology companies at the center of the AI investment boom, with these 30 AI-linked stocks now accounting for 44 percent of the index's total value.