Amazon, Google, Meta, Microsoft, and Oracle have taken on $121 billion in new debt, year-to-date—quadruple the amount from the prior five years.

The bond market has the money to fund the AI boom, but its own diversification rules could make borrowing harder than expected even for blue chip companies.

All five companies generate more than enough cash to cover their operations, but the arrival of debt vehicles to fund AI has complicated the investment case for tech stocks.

Amazon, Google, Meta, Microsoft, and Oracle have taken on $121 billion in new debt, year-to-date—quadruple the amount from the prior five years.