How ‘friendship’ with Sam Altman cost Microsoft $360 billion in a day

Microsoft’s $360 billion single-day crash exposed the catastrophic cost of its OpenAI alliance. After investing $13 billion in Sam Altman’s money-losing venture, Microsoft has tied 45% of its cloud contracts to a partner burning cash with no path to profitability. Circular financing schemes and exploding AI spending finally triggered Wall Street’s reckoning.