On July 22, 2026, South Korea's KOSPI index extended gains to nearly 6%, reaching 7,153.42 points. Among them, SK Hynix surged 8.66%, while Samsung Electronics rose 5.6%. The previous day, the memory sector in the U.S. stock market also saw a sharp rebound, with nearly all individual stocks surging over 10%. SanDisk led the gains with a rise of over 14%, while SK Hynix and Micron Technology rose over 13% and 12%, respectively. Micron Technology's market capitalization returned to the $1 trillion mark.
