Though Meta, Amazon, Microsoft, Google, and Tesla are expected to have spent some $560 billion on AI development by the beginning of next year, their collective revenue from AI comes in at a paltry $35 billion. In the first half of 2025, the Atlantic notes, business spending on AI added more to GDP growth in the United States than all consumer spending combined.
The S&P 500 is up 10% year-to-date, powered by the 'Magnificent Seven' tech giants whose foreign-heavy revenues are being boosted by the weaker dollar. Concentration in the top 10 stocks is at its highest since the 1960s, with earnings strength - 83% of companies beating estimates - driving sentiment.