Micron rises 7%, Western Digital and SanDisk climb 4% as memory and storage stocks extend gains amid AI infrastructure demand

Micron Technology stock is up 7% to around $1,041, Western Digital is gaining 4% to $554, and SanDisk is adding 4% to around $1,758 in afternoon trading. Micron has gained 265% year to date and 1,002% over the past year; Western Digital has climbed 226% YTD and 988% over 12 months; SanDisk has risen 643% YTD and 4,560% over the past year.

Micron's Q1 FY2026 revenue came in at $13.64 billion, up 57% year over year, with non-GAAP EPS of $4.78 beating the $3.94 estimate. Western Digital's Q3 FY2026 revenue reached $3.34 billion, up 46% YoY, with non-GAAP EPS of $2.72 topping the $2.39 estimate and non-GAAP gross margin crossing 50% for the first time at 51%. SanDisk's Q3 FY2026 revenue hit $5.95 billion, up 251% YoY, with EPS of $23.41 versus the $14.66 estimate and Datacenter segment growing 645% YoY to $1.47 billion.

NVIDIA's Computex 2026 announcements, including the RTX Spark superchip with MediaTek and Vera Rubin chips entering full production, point to more AI infrastructure spend ahead. Micron's Q2 FY2026 guidance calls for revenue of $18.7 billion plus or minus $400 million with order books reportedly stretching into 2027, and Western Digital management has highlighted hyperscaler contracts extending through 2028.