curl --request GET \
  --url https://openapi.fcontext.com/api/market-data/market/top_movers \
  --header 'x-api-key: <api-key>'

{
  "topMovers": {
    "events": [
      {
        "timestamp": "<string>",
        "alertReason": "<string>",
        "alertType": 123,
        "stock": {
          "symbol": "<string>",
          "code": "<string>",
          "name": "<string>",
          "lastDone": "<string>",
          "change": "<string>"
        },
        "post": "<unknown>"
      }
    ],
    "nextParams": "<unknown>"
  }
}