On July 30, 2026, the pre-market trading session in the United States witnessed a notable upswing in the memory sector. Specifically, Micron Technology's stock climbed by 3.52%, SK Hynix saw a 3.07% increase, SanDisk's shares surged by 6.30%, Western Digital experienced a 4.28% rise, and Seagate Technology's stock was up by 4.22%. On that same day, the Philadelphia Semiconductor Index also demonstrated a robust performance, ascending by over 7%. Breaking it down, SanDisk's stock soared by approximately 20%, Seagate Technology's shares jumped by around 18%, Western Digital's stock rose by about 16%, Micron Technology's shares increased by roughly 11%, and SK Hynix's stock also went up by approximately 11%.
