$Seagate Technology PLC(STX)$ explodes 18% pre-market. Is the "Structural New Era" of AI storage here? One-sentence summary: Q3 earnings demolished expectations + Q4 guidance dazzled the market + CEO announced 2027 capacity is fully sold out. Seagate is transforming from a "cyclical stock" into an "AI infrastructure must-have." This isn't just a solo rally for STX—the combined market cap of the four storage giants surged by $60 billion after-hours. Company After-Hours/Pre-Market Gain $Seagate Technology PLC(STX)$ +18% $Western Digital(WDC)$ +10%+ $SanDisk Corp.(SNDK)$ +4-5% $Micron Techn
Micron and SanDisk Hit All-Time Highs: Can MU Reach $1,000?
Micron surged 11.06% during regular trading and extended gains to $672.75 after hours, while SanDisk jumped 11.98% on the same day, driving the memory sector to broad all-time highs. Analysts cite structural HBM supply shortages fueled by AI server demand, with a DRAM ETF rising nearly 9% and a SeekingAlpha report declaring Micron's 50% rally is merely the prologue to a structural shortage cycle. Samsung and SK Hynix's HBM expansion timelines remain the key wildcard — where is the ceiling for this memory supercycle, and is $1,000 the next target for Micron?
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