The investment seeks to provide investment results approximating (before fees and expenses) the aggregate price and dividend performance of the securities included in the Standard & Poor's MidCap 400® Index.
Under normal circumstances, the fund invests at least 80% (and, typically, substantially all) of its net assets in the equity securities of companies included in the S&P MidCap 400 Index ("index"), in weightings that approximate the relative composition of the securities contained in the index, and in S&P MidCap 400 Index futures contracts. The index is a widely recognized, unmanaged index representative of common stocks of mid-capitalized U.S. companies.
Links:  http://www.globalfunddata.com/funds/new/performance/management?variant=MassMutual
 http://www.globalfunddata.com/funds/new/performance/domicile?variant=United States
 http://www.globalfunddata.com/funds/new/performance/fund_administrator?variant=Massachusetts Mutual Life Insurance Co
 http://www.globalfunddata.com/funds/new/performance/strategy?variant=Mid-Cap Blend
 http://www.globalfunddata.com/funds/new/performance/structure?variant=Open Ended Investment Company
 http://www.globalfunddata.com/funds/new/performance/country?variant=United States
 http://www.globalfunddata.com/funds/new/performance/custodian?variant=State Street Bank & Trust Co
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