U.S. memory-chip stocks jump, with SK Hynix ADR, Micron, San Disk, Western Digital and Seagate all sharply higher
The U.S. storage-chip index rose more than 17%, with SK Hynix ADRs up 15.85%, Micron Technology shares up 15%, SanDisk up 21.15%, Western Digital up 16.87%, and Seagate Technology up 15.84%.