New Delhi, July 9 -- Micron Technology, the largest American memory chipmaker, said on Thursday that it plans to invest up to $3 billion to bolster the domestic semiconductor supply chain, directing a sizable chunk of that money toward the raw silicon wafers that serve as the starting material for virtually every advanced chip manufactured in the United States.

Micron said it is increasing its total planned US investment to more than $250 billion through 2035, up from the $200 billion the company announced last June, which itself represented a $30 billion increase from its original spending plans. The company attributed the escalation to surging demand for memory chips driven by artificial intelligence workloads and the Trump administrat...