July 29 : Major U.S. technology companies are borrowing heavily as they ramp up spending on their artificial intelligence buildout, and at steadily higher yields as investors become more selective about absorbing the growing supply.Amazon, Alphabet, Meta Platforms and Oracle issued about $194 billion of bonds

Among investors, there is a small but growing concern that the tech giants may have bitten off more than they can chew.

Hyperscalers issued roughly $121 billion in AI-related bonds in 2025, pushing collective debt to $350 billion and raising credit risk concerns