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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 GOO87DKHGMB+H+5diYyV1tJ4IwcyC76iYW1HUpl4C7P7/832kJuAvMEO/WVqBo1w
 ODiNMryUgeHO6tr5J+EPtQ==

<SEC-DOCUMENT>9999999995-07-001574.txt : 20070502
<SEC-HEADER>9999999995-07-001574.hdr.sgml : 20070502
<ACCEPTANCE-DATETIME>20070502001518
ACCESSION NUMBER:		9999999995-07-001574
CONFORMED SUBMISSION TYPE:	EFFECT
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20070501
DATE AS OF CHANGE:		20070502
EFFECTIVENESS DATE:		20070501

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DWS INVESTMENT TRUST
		CENTRAL INDEX KEY:			0000088064
		IRS NUMBER:				042212654
		STATE OF INCORPORATION:			MA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		EFFECT
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	002-13628
		FILM NUMBER:		07808109

	BUSINESS ADDRESS:	
		STREET 1:		DEUTSCHE ASSET MANAGEMENT
		STREET 2:		TWO INTERNATIONAL PLACE
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110
		BUSINESS PHONE:		617-295-3986

	MAIL ADDRESS:	
		STREET 1:		DEUTSCHE ASSET MANAGEMENT
		STREET 2:		TWO INTERNATIONAL PLACE
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	INVESTMENT TRUST
		DATE OF NAME CHANGE:	19980529

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SCUDDER INVESTMENT TRUST
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SCUDDER GROWTH & INCOME FUND
		DATE OF NAME CHANGE:	19910402
<SERIES-AND-CLASSES-CONTRACTS-DATA>
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<SERIES>
<OWNER-CIK>0000088064
<SERIES-ID>S000005708
<SERIES-NAME>DWS S&P 500 Index Fund
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000015691
<CLASS-CONTRACT-NAME>Class A
<CLASS-CONTRACT-TICKER-SYMBOL>SXPAX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000015693
<CLASS-CONTRACT-NAME>Class B
<CLASS-CONTRACT-TICKER-SYMBOL>SXPBX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000015694
<CLASS-CONTRACT-NAME>Class C
<CLASS-CONTRACT-TICKER-SYMBOL>SXPCX
</CLASS-CONTRACT>
<CLASS-CONTRACT>
<CLASS-CONTRACT-ID>C000015695
<CLASS-CONTRACT-NAME>Class S
<CLASS-CONTRACT-TICKER-SYMBOL>SCPIX
</CLASS-CONTRACT>
</SERIES>
</EXISTING-SERIES-AND-CLASSES-CONTRACTS>
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<DOCUMENT>
<TYPE>EFFECT
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<edgarSubmission>

    <schemaVersion>X0101</schemaVersion>

    <submissionType>EFFECT</submissionType>

    <act>33</act>

    <testOrLive>LIVE</testOrLive>

    <effectiveData>
        <finalEffectivenessDispDate>2007-05-01</finalEffectivenessDispDate>
        <accessionNumber>0000088053-07-000478</accessionNumber>
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                <existing>
                    <seriesId>S000005708</seriesId>
                    <seriesName>DWS S&amp;P 500 Index Fund</seriesName>
                    <classContractId>C000015694</classContractId>
                    <classContractName>Class C</classContractName>
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                <existing>
                    <seriesId>S000005708</seriesId>
                    <seriesName>DWS S&amp;P 500 Index Fund</seriesName>
                    <classContractId>C000015695</classContractId>
                    <classContractName>Class S</classContractName>
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</TEXT>
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