Samsung Electronics, once a leader in memory semiconductors, has fallen behind rival SK Hynix in next-generation high-bandwidth memory (HBM) chips crucial for AI. Samsung’s profit has plunged, wiping out around $126 billion in market value. Samsung told CNBC its HBM3E product is in mass production, with the next-generation HBM4 in development for 2025. Nvidia’s approval remains critical for Samsung to compete more effectively in the AI market.