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    <!-- Field: Doc-Info; Name: Generator; Value: GoFiler Complete; Version: 6.6a -->
    <!-- Field: Doc-Info; Name: VendorURI; Value: https://www.novaworks.com -->
    <!-- Field: Doc-Info; Name: Status; Value: 0x00000000 -->
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    <link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
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      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sgnfx_C000001374Member" xlink:to="sgnfx_C000001374Member_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="sgnfx_C000001374Member_lbl" xml:lang="en-US">Class A</link:label>
      <link:loc xlink:type="locator" xlink:href="sgnfx-20260831.xsd#sgnfx_SP500IndexAMember" xlink:label="sgnfx_SP500IndexAMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sgnfx_SP500IndexAMember" xlink:to="sgnfx_SP500IndexAMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="sgnfx_SP500IndexAMember_lbl" xml:lang="en-US">S&amp;P500 Index</link:label>
      <link:loc xlink:type="locator" xlink:href="sgnfx-20260831.xsd#sgnfx_BasicMaterialsSectorMember" xlink:label="sgnfx_BasicMaterialsSectorMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sgnfx_BasicMaterialsSectorMember" xlink:to="sgnfx_BasicMaterialsSectorMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="sgnfx_BasicMaterialsSectorMember_lbl" xml:lang="en-US">Basic Materials Sector [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sgnfx-20260831.xsd#sgnfx_CommunicationServicesSectorMember" xlink:label="sgnfx_CommunicationServicesSectorMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sgnfx_CommunicationServicesSectorMember" xlink:to="sgnfx_CommunicationServicesSectorMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="sgnfx_CommunicationServicesSectorMember_lbl" xml:lang="en-US">Communication Services Sector [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sgnfx-20260831.xsd#sgnfx_ConsumerCyclicalSectorMember" xlink:label="sgnfx_ConsumerCyclicalSectorMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sgnfx_ConsumerCyclicalSectorMember" xlink:to="sgnfx_ConsumerCyclicalSectorMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="sgnfx_ConsumerCyclicalSectorMember_lbl" xml:lang="en-US">Consumer Cyclical Sector [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sgnfx-20260831.xsd#sgnfx_ConsumerDefensiveSectorMember" xlink:label="sgnfx_ConsumerDefensiveSectorMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sgnfx_ConsumerDefensiveSectorMember" xlink:to="sgnfx_ConsumerDefensiveSectorMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="sgnfx_ConsumerDefensiveSectorMember_lbl" xml:lang="en-US">Consumer Defensive Sector [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_FinancialServicesSectorMember" xlink:label="us-gaap_FinancialServicesSectorMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinancialServicesSectorMember" xlink:to="us-gaap_FinancialServicesSectorMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FinancialServicesSectorMember_lbl" xml:lang="en-US">Financial Services Sector [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_HealthcareSectorMember" xlink:label="us-gaap_HealthcareSectorMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_HealthcareSectorMember" xlink:to="us-gaap_HealthcareSectorMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_HealthcareSectorMember_lbl" xml:lang="en-US">Healthcare Sector [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_MoneyMarketFundsMember" xlink:label="us-gaap_MoneyMarketFundsMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_MoneyMarketFundsMember" xlink:to="us-gaap_MoneyMarketFundsMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_MoneyMarketFundsMember_lbl" xml:lang="en-US">Money Market Funds [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_TechnologySectorMember" xlink:label="us-gaap_TechnologySectorMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_TechnologySectorMember" xlink:to="us-gaap_TechnologySectorMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_TechnologySectorMember_lbl" xml:lang="en-US">Technology Sector [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sgnfx-20260831.xsd#sgnfx_AlphabetIncClassAMember" xlink:label="sgnfx_AlphabetIncClassAMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sgnfx_AlphabetIncClassAMember" xlink:to="sgnfx_AlphabetIncClassAMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="sgnfx_AlphabetIncClassAMember_lbl" xml:lang="en-US">Alphabet Inc Class A [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sgnfx-20260831.xsd#sgnfx_NvidiaCorpMember" xlink:label="sgnfx_NvidiaCorpMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sgnfx_NvidiaCorpMember" xlink:to="sgnfx_NvidiaCorpMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="sgnfx_NvidiaCorpMember_lbl" xml:lang="en-US">Nvidia Corp [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sgnfx-20260831.xsd#sgnfx_AppleIncMember" xlink:label="sgnfx_AppleIncMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sgnfx_AppleIncMember" xlink:to="sgnfx_AppleIncMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="sgnfx_AppleIncMember_lbl" xml:lang="en-US">Apple Inc [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sgnfx-20260831.xsd#sgnfx_AmazoncomIncMember" xlink:label="sgnfx_AmazoncomIncMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sgnfx_AmazoncomIncMember" xlink:to="sgnfx_AmazoncomIncMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="sgnfx_AmazoncomIncMember_lbl" xml:lang="en-US">Amazoncom Inc [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sgnfx-20260831.xsd#sgnfx_WalmartIncMember" xlink:label="sgnfx_WalmartIncMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sgnfx_WalmartIncMember" xlink:to="sgnfx_WalmartIncMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="sgnfx_WalmartIncMember_lbl" xml:lang="en-US">Walmart Inc [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sgnfx-20260831.xsd#sgnfx_MicrosoftCorpMember" xlink:label="sgnfx_MicrosoftCorpMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sgnfx_MicrosoftCorpMember" xlink:to="sgnfx_MicrosoftCorpMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="sgnfx_MicrosoftCorpMember_lbl" xml:lang="en-US">Microsoft Corp [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sgnfx-20260831.xsd#sgnfx_AmericanExpressCoMember" xlink:label="sgnfx_AmericanExpressCoMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sgnfx_AmericanExpressCoMember" xlink:to="sgnfx_AmericanExpressCoMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="sgnfx_AmericanExpressCoMember_lbl" xml:lang="en-US">American Express Co [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sgnfx-20260831.xsd#sgnfx_MetaPlatformsIncMember" xlink:label="sgnfx_MetaPlatformsIncMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sgnfx_MetaPlatformsIncMember" xlink:to="sgnfx_MetaPlatformsIncMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="sgnfx_MetaPlatformsIncMember_lbl" xml:lang="en-US">Meta Platforms Inc [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sgnfx-20260831.xsd#sgnfx_BroadcomIncMember" xlink:label="sgnfx_BroadcomIncMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sgnfx_BroadcomIncMember" xlink:to="sgnfx_BroadcomIncMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="sgnfx_BroadcomIncMember_lbl" xml:lang="en-US">Broadcom Inc [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sgnfx-20260831.xsd#sgnfx_VisaIncClassAMember" xlink:label="sgnfx_VisaIncClassAMember" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="sgnfx_VisaIncClassAMember_lbl" xml:lang="en-US">Visa Inc Class A [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sgnfx-20260831.xsd#sgnfx_C000109530Member" xlink:label="sgnfx_C000109530Member" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sgnfx_C000109530Member" xlink:to="sgnfx_C000109530Member_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="sgnfx_C000109530Member_lbl" xml:lang="en-US">Class C</link:label>
      <link:loc xlink:type="locator" xlink:href="sgnfx-20260831.xsd#sgnfx_SP500IndexCMember" xlink:label="sgnfx_SP500IndexCMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sgnfx_SP500IndexCMember" xlink:to="sgnfx_SP500IndexCMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="sgnfx_SP500IndexCMember_lbl" xml:lang="en-US">S&amp;P 500Index</link:label>
      <link:loc xlink:type="locator" xlink:href="sgnfx-20260831.xsd#sgnfx_C000001375Member" xlink:label="sgnfx_C000001375Member" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sgnfx_C000001375Member" xlink:to="sgnfx_C000001375Member_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="sgnfx_C000001375Member_lbl" xml:lang="en-US">No Load</link:label>
      <link:loc xlink:type="locator" xlink:href="sgnfx-20260831.xsd#sgnfx_SP500IndexMember" xlink:label="sgnfx_SP500IndexMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sgnfx_SP500IndexMember" xlink:to="sgnfx_SP500IndexMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="sgnfx_SP500IndexMember_lbl" xml:lang="en-US">S&amp;P 500 Index</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_AssetsNet" xlink:label="us-gaap_AssetsNet" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AssetsNet" xlink:to="us-gaap_AssetsNet_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AssetsNet_lbl" xml:lang="en-US">Net Assets</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InvestmentCompanyPortfolioTurnover" xlink:label="us-gaap_InvestmentCompanyPortfolioTurnover" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InvestmentCompanyPortfolioTurnover_lbl" xml:lang="en-US">Investment Company, Portfolio Turnover</link:label>
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