Micron’s shares delivered their strongest weekly gain in twenty years, boosting the company’s market value past that of JPMorgan. This milestone marks a rare crossover between a leading memory-chip manufacturer and a major financial institution, underscoring the outsized returns in semiconductor equities.

Investor enthusiasm for chipmakers has spilled over into the memory sector, with Micron and Sandisk shares rallying on expectations of stronger DRAM and NAND demand. Heightened forecasts for smartphone and data center purchases have underpinned sectorwide gains, driving the recent surge in memory stocks.