CoinWorld News reports that the four major tech giants Microsoft, Google, Meta, and Amazon have shown strong growth in artificial intelligence (AI) investments in their latest financial reports, with an expected combined investment of approximately $650 billion in AI infrastructure by 2026. Microsoft reported a revenue of $82.9 billion in the third quarter of fiscal year 2026, surpassing market expectations, with AI business revenue increasing by 123% year-over-year. Google pointed out that AI is the core driver of growth, with its first-quarter revenue reaching $109.9 billion, exceeding expectations. Amazon's first-quarter revenue reached $181.5 billion, with significant increases in AI investments. Meta reported capital expenditures of $19.84 billion and expects annual spending to be raised to between $125 billion and $145 billion, emphasizing rising costs for AI infrastructure.