Micron Technology MU-Q edged past the market valuation of Meta Platforms META-Q and briefly Tesla’s TLSA-Q for the first time on Thursday, after the memory chipmaker’s solid forecast helped extend its AI-driven ascent.

The company’s shares were last up 18.4 per cent at US$1,236, giving it a market capitalization of US$1.398-trillion, compared with Meta’s US$1.392-trillion. Tesla’s market value stood at US$1.4 trillion.

Micron’s fourth-quarter revenue and profit forecasts on Wednesday helped shares reverse a recent slump, with the company disclosing its customers had committed US$22-billion to lock in supplies of memory chips.

The chip company topped US$1-trillion in market value on May 26, following the entry of South Korea’s Samsung Electronics into the club, as memory chipmakers benefit from investor appetite for beneficiaries of Big Tech’s mega AI spending plans.

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