智通财经网·2026-01-20 15:11Core Viewpoint - The U.S. stock storage sector showed strength with significant gains in companies like SanDisk and Micron Technology, driven by increased demand for high-end semiconductors due to AI infrastructure development, with supply shortages expected to persist until after 2026 [1] Group 1: Company Performance - SanDisk (SNDK.US) rose over 6%, while Micron Technology (MU.US) increased nearly 4%, both reaching historical highs [1] - Seagate Technology (STX.US) and Western Digital (WDC.US) also saw positive performance, turning green in the market [1] Group 2: Industry Trends - Micron Technology reported that the shortage of memory chips has worsened over the past quarter, primarily due to surging demand from AI infrastructure [1] - The company warned that the supply tightness will continue beyond 2026, indicating a prolonged period of high demand and potential supply constraints [1] - Micron is accelerating its capacity expansion efforts in both the U.S. and Asia to address the growing demand [1]