Earnings season

Investors are heading into a volatile reporting season where lofty valuations and skittish trading could turn small earnings misses into sharp share price swings, with miners, tech and new CEOs in focus.

Nvidia's jaw-dropping quarterly result is once again raising a key question: is the artificial intelligence boom a bubble, or a megacycle for the ages?

Data centre operators such as Macquarie Technology and DigiCo are feeling vindicated, but ASX-focused fund managers warn that the ingredients for an AI bubble are still in place.