<?xml version="1.0" encoding="US-ASCII"?>
<!-- Generated by Broadridge Transform (tm) - http://www.broadridge.com -->
<!-- Created: Mon Sep 28 18:19:44 UTC 2026 -->
<linkbase xmlns="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:xbrldt="http://xbrl.org/2005/xbrldt">
  <roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#SeriesOnly" roleURI="http://xbrl.sec.gov/oef/role/SeriesOnly"/>
  <roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#ClassOnly" roleURI="http://xbrl.sec.gov/oef/role/ClassOnly"/>
  <roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#RiskOnly" roleURI="http://xbrl.sec.gov/rr/role/RiskOnly"/>
  <roleRef xlink:type="simple" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#PerformanceMeasureOnly" roleURI="http://xbrl.sec.gov/rr/role/PerformanceMeasureOnly"/>
  <arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default" arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default"/>
  <arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain" arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain"/>
  <arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension" arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension"/>
  <arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member" arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member"/>
  <arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all" arcroleURI="http://xbrl.org/int/dim/arcrole/all"/>
  <definitionLink xlink:role="http://xbrl.sec.gov/oef/role/SeriesOnly" xlink:type="extended">
    <loc xlink:type="locator" xlink:label="dei_EntityDomain" xlink:href="https://xbrl.sec.gov/dei/2026/dei-2026.xsd#dei_EntityDomain"/>
    <loc xlink:type="locator" xlink:label="ck0000924727_S000080694Member" xlink:href="ck0000924727-20260928.xsd#ck0000924727_S000080694Member"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="ck0000924727_S000080694Member" order="11" xbrldt:closed="true"/>
    <loc xlink:type="locator" xlink:label="ck0000924727_S000080695Member" xlink:href="ck0000924727-20260928.xsd#ck0000924727_S000080695Member"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="dei_EntityDomain" xlink:to="ck0000924727_S000080695Member" order="12" xbrldt:closed="true"/>
  </definitionLink>
  <definitionLink xlink:role="http://xbrl.sec.gov/oef/role/ClassOnly" xlink:type="extended">
    <loc xlink:type="locator" xlink:label="oef_ShareClassDomain" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#oef_ShareClassDomain"/>
    <loc xlink:type="locator" xlink:label="ck0000924727_C000244000Member" xlink:href="ck0000924727-20260928.xsd#ck0000924727_C000244000Member"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="oef_ShareClassDomain" xlink:to="ck0000924727_C000244000Member" order="11" xbrldt:closed="true"/>
    <loc xlink:type="locator" xlink:label="ck0000924727_C000244001Member" xlink:href="ck0000924727-20260928.xsd#ck0000924727_C000244001Member"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="oef_ShareClassDomain" xlink:to="ck0000924727_C000244001Member" order="12" xbrldt:closed="true"/>
    <loc xlink:type="locator" xlink:label="ck0000924727_C000244002Member" xlink:href="ck0000924727-20260928.xsd#ck0000924727_C000244002Member"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="oef_ShareClassDomain" xlink:to="ck0000924727_C000244002Member" order="13" xbrldt:closed="true"/>
    <loc xlink:type="locator" xlink:label="ck0000924727_C000243218Member" xlink:href="ck0000924727-20260928.xsd#ck0000924727_C000243218Member"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="oef_ShareClassDomain" xlink:to="ck0000924727_C000243218Member" order="14" xbrldt:closed="true"/>
  </definitionLink>
  <definitionLink xlink:role="http://xbrl.sec.gov/rr/role/RiskOnly" xlink:type="extended">
    <loc xlink:type="locator" xlink:label="oef_AllRisksMember" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#oef_AllRisksMember"/>
    <loc xlink:type="locator" xlink:label="ck0000924727_RisksAssociatedWithInvestingInEquitiesMember" xlink:href="ck0000924727-20260928.xsd#ck0000924727_RisksAssociatedWithInvestingInEquitiesMember"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="oef_AllRisksMember" xlink:to="ck0000924727_RisksAssociatedWithInvestingInEquitiesMember" order="11" xbrldt:closed="true"/>
    <loc xlink:type="locator" xlink:label="ck0000924727_StockMarketVolatilityMember" xlink:href="ck0000924727-20260928.xsd#ck0000924727_StockMarketVolatilityMember"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="oef_AllRisksMember" xlink:to="ck0000924727_StockMarketVolatilityMember" order="12" xbrldt:closed="true"/>
    <loc xlink:type="locator" xlink:label="ck0000924727_SmallAndMediumCapSecuritiesMember" xlink:href="ck0000924727-20260928.xsd#ck0000924727_SmallAndMediumCapSecuritiesMember"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="oef_AllRisksMember" xlink:to="ck0000924727_SmallAndMediumCapSecuritiesMember" order="13" xbrldt:closed="true"/>
    <loc xlink:type="locator" xlink:label="ck0000924727_SmallCapSecuritiesMember" xlink:href="ck0000924727-20260928.xsd#ck0000924727_SmallCapSecuritiesMember"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="oef_AllRisksMember" xlink:to="ck0000924727_SmallCapSecuritiesMember" order="14" xbrldt:closed="true"/>
    <loc xlink:type="locator" xlink:label="ck0000924727_RisksAssociatedWithValueInvestingMember" xlink:href="ck0000924727-20260928.xsd#ck0000924727_RisksAssociatedWithValueInvestingMember"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="oef_AllRisksMember" xlink:to="ck0000924727_RisksAssociatedWithValueInvestingMember" order="15" xbrldt:closed="true"/>
    <loc xlink:type="locator" xlink:label="ck0000924727_IssuerSpecificChangesMember" xlink:href="ck0000924727-20260928.xsd#ck0000924727_IssuerSpecificChangesMember"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="oef_AllRisksMember" xlink:to="ck0000924727_IssuerSpecificChangesMember" order="16" xbrldt:closed="true"/>
    <loc xlink:type="locator" xlink:label="ck0000924727_ManagementRiskMember" xlink:href="ck0000924727-20260928.xsd#ck0000924727_ManagementRiskMember"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="oef_AllRisksMember" xlink:to="ck0000924727_ManagementRiskMember" order="17" xbrldt:closed="true"/>
    <loc xlink:type="locator" xlink:label="ck0000924727_MarketRiskMember" xlink:href="ck0000924727-20260928.xsd#ck0000924727_MarketRiskMember"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="oef_AllRisksMember" xlink:to="ck0000924727_MarketRiskMember" order="18" xbrldt:closed="true"/>
    <loc xlink:type="locator" xlink:label="ck0000924727_LargeInvestorRiskMember" xlink:href="ck0000924727-20260928.xsd#ck0000924727_LargeInvestorRiskMember"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="oef_AllRisksMember" xlink:to="ck0000924727_LargeInvestorRiskMember" order="19" xbrldt:closed="true"/>
    <loc xlink:type="locator" xlink:label="ck0000924727_SectorFocusRiskMember" xlink:href="ck0000924727-20260928.xsd#ck0000924727_SectorFocusRiskMember"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="oef_AllRisksMember" xlink:to="ck0000924727_SectorFocusRiskMember" order="20" xbrldt:closed="true"/>
    <loc xlink:type="locator" xlink:label="ck0000924727_RecentMarketEventsMember" xlink:href="ck0000924727-20260928.xsd#ck0000924727_RecentMarketEventsMember"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="oef_AllRisksMember" xlink:to="ck0000924727_RecentMarketEventsMember" order="21" xbrldt:closed="true"/>
    <loc xlink:type="locator" xlink:label="ck0000924727_CybersecurityRiskMember" xlink:href="ck0000924727-20260928.xsd#ck0000924727_CybersecurityRiskMember"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="oef_AllRisksMember" xlink:to="ck0000924727_CybersecurityRiskMember" order="22" xbrldt:closed="true"/>
  </definitionLink>
  <definitionLink xlink:role="http://xbrl.sec.gov/rr/role/PerformanceMeasureOnly" xlink:type="extended">
    <loc xlink:type="locator" xlink:label="oef_PerformanceMeasureDomain" xlink:href="https://xbrl.sec.gov/oef/2026/oef-2026.xsd#oef_PerformanceMeasureDomain"/>
    <loc xlink:type="locator" xlink:label="ck0000924727_index_Russell_3000_IndexMember" xlink:href="ck0000924727-20260928.xsd#ck0000924727_index_Russell_3000_IndexMember"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="oef_PerformanceMeasureDomain" xlink:to="ck0000924727_index_Russell_3000_IndexMember" order="11" xbrldt:closed="true"/>
    <loc xlink:type="locator" xlink:label="ck0000924727_index_Russell_2000_Value_IndexMember" xlink:href="ck0000924727-20260928.xsd#ck0000924727_index_Russell_2000_Value_IndexMember"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="oef_PerformanceMeasureDomain" xlink:to="ck0000924727_index_Russell_2000_Value_IndexMember" order="12" xbrldt:closed="true"/>
    <loc xlink:type="locator" xlink:label="ck0000924727_index_SP_500_IndexMember" xlink:href="ck0000924727-20260928.xsd#ck0000924727_index_SP_500_IndexMember"/>
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="oef_PerformanceMeasureDomain" xlink:to="ck0000924727_index_SP_500_IndexMember" order="13" xbrldt:closed="true"/>
    <loc xlink:type="locator" xlink:label="ck0000924727_index_SP_500_Value_IndexMember" xlink:href="ck0000924727-20260928.xsd#ck0000924727_index_SP_500_Value_IndexMember"/>
<!-- [WMV7][7oqHTDmaqiL4jto1gcuC/MHsPr3MJI1/Rnh48L77UaVLPKQ7i7bcdYHxDtLHLP6LDjj5YYN5fVUmfCHikWsig1Jpad7R53JnkkaSdDva4qi2iKVMgkB20EfCji9/43ixENonSOrZAfWt6N6crUcTzyx/SeRRSrVw5z2RhhgG9qHX8sDTQ7mLwmX5R2GoLjQuaGb22rZ/k3HX8t3UnVXkJ+Ywz7/8M0du+m4abGF30YnIQUMD9LFeFwl+BElBurPZuaP4Od+bP7r3GkAgq5vFis3xRJndGx7wK73W/3KNswfSS8dbE/vdBCd1+j4hF//HxyiLCs3fVgL8HHh6jHmcJZ1pjDtgH5Jsb6/AVG5nY5p9vJdjoS+qbtEvSj2yi6ocLgznHrmR6b5Cttk/] CSR-->
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="oef_PerformanceMeasureDomain" xlink:to="ck0000924727_index_SP_500_Value_IndexMember" order="14" xbrldt:closed="true"/>
  </definitionLink>
</linkbase>
