{
  "symbol": "ACIU",
  "socialMediaRisk": {
    "hypeSusceptibility": true,
    "volatilityDrivenBy": ["Biotechnology sector", "Small-cap company", "Clinical stage developments"],
    "riskScore": 7,
    "reason": "AC Immune operates in the biotechnology sector, which is prone to speculation, and is a small-cap company with clinical stage developments that attract retail investor interest."
  }
}