Burry, famed for his prescient short against the US property market before the 2008 global financial crisis, expanded positions against Nvidia, Micron Technology and an exchange-traded fund tracking the Philadelphia Semiconductor Index.Moody’s cautioned last week that heavy capital spending was eroding cash flows at US hyperscalers including Microsoft and Amazon.com.The moves risk further dampening sentiment in the global AI trade and may counter Beijing’s efforts to shore up onshore equities with direct state buying.The global AI trade, alongside a bull run on Chinese technology stocks, has faltered amid doubts over whether data-centre and cloud spending will translate into real cash…