// MARKET_DATA: NVIDIA_HBM4

{
  "ticker": "NVDA",
  "technology": "HBM4 (High Bandwidth Memory Gen 4)",
  "market_impact": {
    "ai_training_speed": "+40% Efficiency",
    "power_consumption": "-30% vs HBM3E"
  },
  "key_players": {
    "design": "Nvidia (Grace Hopper Superchip)",
    "manufacturing": "TSMC (CoWoS-L)",
    "memory_supply": ["SK Hynix", "Samsung Electronics", "Micron"]
  },
  "forecast_2026": "Supply shortage expected until Q4 2026."
}