SanDisk has endured sustained bearish sentiment over the past 30 days as investors reassess memory semiconductor valuations amid conflicting demand signals. The dominant narrative centers on a disconnect between operational fundamentals and equity pricing, with the stock suffering a 20-30% cumulative decline in late July despite record AI-driven revenue performance at peer Micron. Key catalysts driving downside pressure include deteriorating forward guidance, inventory normalization concerns, and heightened competitive threats from China's CXMT IPO, which signaled structural margin compression for established US memory manufacturers. Sector-wide rotation accelerated on July 27-28, with WDC and MU declining alongside SNDK, suggesting systematic de-risking rather than company-specific deterioration. The August rebound reflected isolated optimism about AI infrastructure tailwinds remaining underpriced, yet this brief reversal was quickly overshadowed by macroeconomic leverage concerns flagged by JPM's CEO Dimon. Forward momentum depends on demand stabilization and clarity on DRAM pricing durability amid rising Chinese competition.