Why Samsung & SK Hynix Stocks Crashed After China's Big Chip Announcement | TechPulse

South Korea's KOSPI plunged 5.46% on Tuesday, with SK hynix falling over 10% and Samsung dropping more than 7%. But what triggered the sell-off?Chinese memory manufacturer CXMT has announced plans to introduce server DDR5 memory using a new 4F² chip design by the end of 2026, raising questions about China's growing challenge to South Korea's semiconductor giants.With AI data centres driving up demand and RAM prices surging, cheaper Chinese memory could become increasingly attractive to PC manufacturers.But there's a geopolitical complication. CXMT faces US national security scrutiny, leaving Washington with a difficult question: restrict Chinese semiconductor technology or allow more competition to ease the global memory shortage?In this TechPulse explainer, we break down the KOSPI crash, CXMT's ambitions, and what this could mean for Samsung, SK hynix and the global memory market.Subscribe to TechPulse for more technology and business explainers.#CXMT #Samsung #SKHynix #KOSPI #DDR5 #China #Semiconductors #AI #TechPulse