U.S. memory and storage names including Western Digital, Sandisk, Micron, Seagate Technology and SK Hynix ADR surged, while foundry, chip-equipment and optical communications stocks also advanced.
U.S. memory and storage-related stocks rallied sharply on July 21, with newer figures showing Western Digital up 12.23%, Sandisk 11.77%, Micron Technology 10.54%, Seagate Technology 10.58%, and SK Hynix ADR 10.03%, according to BlockBeats citing BIT market data. Earlier figures cited by Odaily from MSX.COM showed broad gains across the wider semiconductor sector as well, including UMC up 5.6%, TSMC more than 4%, Lam Research 6%, Applied Materials and KLA more than 5%, Lumentum 6%, and Marvell Technology 5.6%. The Roundhill Memory ETF, trading under ticker DRAM, rose 9.91%, pointing to broad strength across memory, storage and the wider chip supply chain.