"hook stock" meaning in English

{
  "forms": [
    {
      "form": "hook stocks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "hook stock (plural hook stocks)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w"
        },
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          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
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          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Finance",
          "orig": "en:Finance",
          "parents": [
            "Business",
            "Economics",
            "Society",
            "Social sciences",
            "All topics",
            "Sciences",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A stock which is held by a subsidiary of the issuing company."
      ],
      "id": "en-hook_stock-en-noun-6zlIQBJH",
      "links": [
        [
          "finance",
          "finance#Noun"
        ],
        [
          "stock",
          "stock"
        ],
        [
          "subsidiary",
          "subsidiary"
        ],
        [
          "issuing",
          "issue"
        ],
        [
          "company",
          "company"
        ]
      ],
      "raw_glosses": [
        "(finance) A stock which is held by a subsidiary of the issuing company."
      ],
      "topics": [
        "business",
        "finance"
      ]
    }
  ],
  "word": "hook stock"
}

{
  "forms": [
    {
      "form": "hook stocks",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "hook stock (plural hook stocks)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Finance"
      ],
      "glosses": [
        "A stock which is held by a subsidiary of the issuing company."
      ],
      "links": [
        [
          "finance",
          "finance#Noun"
        ],
        [
          "stock",
          "stock"
        ],
        [
          "subsidiary",
          "subsidiary"
        ],
        [
          "issuing",
          "issue"
        ],
        [
          "company",
          "company"
        ]
      ],
      "raw_glosses": [
        "(finance) A stock which is held by a subsidiary of the issuing company."
      ],
      "topics": [
        "business",
        "finance"
      ]
    }
  ],
  "word": "hook stock"
}