{
  "symbol": "BIIB",
  "socialMediaRisk": {
    "hypeSusceptibility": true,
    "volatilityDrivenBy": ["biotech industry", "Alzheimer's treatment speculation", "neurological disease therapies"],
    "riskScore": 7,
    "reason": "Biogen operates in the biotech sector, which is prone to speculation, especially with its focus on Alzheimer's treatments and neurological therapies."
  }
}