Micron breaks ground on its ~$9.3B Hiroshima factory expansion, part of its global ramp-up to meet AI demand, and plans to start HBM shipments from summer 2028 (Mari Kiyohara/Bloomberg)

Micron broke ground today on a roughly nine point three billion dollar expansion in Hiroshima to ramp up manufacturing for artificial intelligence chips. The company plans to begin shipping high bandwidth memory products from that facility during the summer of 2028 as part of its global strategy.