India, Oct. 18 -- America's $10 trillion artificial intelligence (AI) infrastructure boom is facing growing problems. Data centre projects are being delayed, some are being cancelled or blocked, and investors are becoming less confident about the sector. These challenges are raising questions about whether the massive spending planned for AI infrastructure can continue at the expected pace.

The AI boom has created a market that some industry participants describe as the "Wild West". Over the past few years, companies rushed to build data centres to meet the growing demand for computing power. According to people involved in the market, huge amounts of money flowed into newly established companies, while checks on new projects were someti...