Judge lets a DRAM supply-conspiracy class action against Samsung, Micron and SK hynix proceed
A judge denied Samsung, Micron, and SK hynix's motion to dismiss a class action alleging they conspired to restrict DRAM supply, citing a 697% price rise. The court accepted evidence of coordinated production cuts and exits but dismissed other claims. The companies must respond by Dec. 7, 2026, with a case management conference set for Jan. 12, 2027.
How this was made
The 30-second read
Why it matters
The lawsuit could lead to significant financial exposure and operational constraints for the three memory makers, influencing investor sentiment across the semiconductor sector.
Market read
First reporting of a major antitrust case proceeding against the three largest DRAM producers, introducing new litigation risk to the sector.
What to watch
Potential fines from past DRAM cartels and existing market share dominance could exacerbate penalties.
Background
The DRAM market is highly concentrated, with Samsung, Micron, and SK hynix controlling over 90% of revenue. Prior antitrust actions have resulted in fines, raising concerns about repeat violations.
Ticker impact
Judge denied motion to dismiss, allowing class action alleging DRAM supply conspiracy to proceed against Micron.
likely downward pressure as market prices in litigation risk
Litigation proceeding increases uncertainty and could affect earnings outlook.
Judge denied motion to dismiss, allowing class action alleging DRAM supply conspiracy to proceed against Samsung.
likely modest downside pressure pending further developments
Samsung faces potential damages and regulatory scrutiny.
Judge denied motion to dismiss, allowing class action alleging DRAM supply conspiracy to proceed against SK hynix.
likely modest downside as investors assess exposure
Similar legal risk as peers; market may price in potential penalties.
Market effects
DRAM memory sector faces heightened regulatory scrutiny, potentially affecting pricing and supply dynamics.
Asian memory manufacturers may see increased risk perception, influencing regional tech indices.
Global AI and data center supply chains could be impacted if litigation leads to supply constraints.
Counterpoint
If the case stalls or is dismissed on appeal, the litigation risk may be overstated, limiting price impact.
Key entities
- PersonJudge Noël Wise
U.S. District Judge who denied the motion to dismiss.
- LegalCaseGarciaguirre v. Samsung Electronics
Class action alleging DRAM supply conspiracy.
