DISK is trading 4.25% lower at $34.50, in line with weakness across memory stocks that reports linked to CXMT’s progress in next-generation DRAM and renewed competition concerns. - Micron, SanDisk, and Western Digital reportedly fell more than 2% at points in premarket trading; South Korean memory-chip leaders also slid. - DISK’s latest prior close was $36.03 on October 9; search results surfaced no DISK-specific announcement explaining the October 12 move.