{
  "id": 16112694,
  "title": "Stock Market Today, Oct. 22: Moderna Stock Plummets 18% on Melanoma Vaccine Data Leak Reports",
  "url": "https://urgent.news/2026/10/22/stock-market-today-oct-22-moderna-stock-plummets-18-on-melanoma-16112694",
  "topic": "finance",
  "section": "Finance & Markets",
  "published": "2026-10-22T21:05:59.000Z",
  "source": {
    "name": "Nasdaq Markets",
    "slug": "nasdaq-markets",
    "url": "https://www.nasdaq.com/articles/stock-market-today-oct-22-moderna-stock-plummets-18-melanoma-vaccine-data-leak-reports"
  },
  "original_language": "en",
  "account": null,
  "summary": "Moderna (NASDAQ:MRNA), an mRNA medicines and preventive vaccine developer, closed at $202.63, down 17.57%. Reports of a possible leak of late-stage personalized melanoma vaccine data sent shares lower today. Investors are waiting for the planned full Phase 3 presentation and Oct.",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 3,
    "also_reported_by": [
      {
        "outlet": "Bloomberg",
        "title": "Moderna, Merck Fall After Melanoma Data Leak",
        "url": "https://urgent.news/2026/10/22/moderna-merck-fall-after-melanoma-data-leak",
        "published": "2026-10-22T20:28:59.000Z"
      },
      {
        "outlet": "Motley Fool",
        "title": "Stock Market Today, Oct. 22: Moderna Stock Plummets 18% on Melanoma Vaccine Data Leak Reports",
        "url": "https://urgent.news/2026/10/22/stock-market-today-oct-22-moderna-stock-plummets-18-on-melanoma",
        "published": "2026-10-22T20:45:59.000Z"
      }
    ]
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}