Principal
Investment Strategies of the Fund
The High Yield Fund invests primarily in non‑investment grade bonds with
maturities of ten years or less. The High Yield Fund normally invests at least 80% of its net assets, plus any borrowings for investment purposes, in high yield investments and other financial instruments with economic characteristics similar to such investments. High yield
investments include domestic and foreign bonds (including corporate bonds), convertible debt securities, mezzanine investments, collateralized debt obligations, bank loans, loan assignments and loan participations and mortgage-backed
and asset-backed securities. Such high yield investments acquired by the High Yield Fund will generally be in the lower rating categories of the major rating agencies (BB or
lower by S&P Global Ratings or Fitch Ratings, Inc. or Ba or lower by Moody’s Investor Services) or will be determined by the High Yield Fund management team to be of
similar quality. The High Yield Fund may also invest in other investment companies, including affiliated investment companies such as affiliated exchange-traded funds, to gain exposure to such high yield investments. Split rated bonds and other
fixed-income securities (securities that receive different ratings from two or more rating agencies) are valued as follows: if three agencies rate a security, the security will be considered to have the median credit rating; if two of the three agencies rate a security, the security will be considered to have the lower credit rating. The High Yield Fund may
invest up to 30% of its assets in non‑dollar denominated bonds of issuers located outside of the United States. The High Yield Fund’s investment in non‑dollar denominated bonds may be on a currency hedged or unhedged basis. The High Yield Fund may also invest in convertible and preferred securities.
The High Yield Fund can also invest, to the extent consistent with its investment objective, in non-U.S. and emerging
market securities and currencies. The High Yield Fund may invest in securities of any rating, and may invest up to 10% of its assets (measured at the time of investment) in distressed securities that are in default or the issuers of which
are in bankruptcy.
The High Yield Fund may buy or sell options or futures on a security or an index of securities, or enter into swap
agreements, including total return, interest rate and credit default swaps, or foreign currency transactions (collectively, commonly known as derivatives). The High Yield Fund may use derivative instruments to hedge its investments or to seek
to enhance returns. The High Yield Fund may seek to obtain market exposure to the securities in which it primarily invests by entering into a series of purchase and sale
contracts or by using other investment techniques (such as reverse repurchase agreements or dollar rolls).
The High Yield Fund may engage in active and frequent trading of portfolio securities
to achieve its principal investment strategies.
Principal Risks of Investing in the Fund
Risk is inherent in all investing. The value of your investment in the Fund, as well as
the amount of return you receive on your investment, may fluctuate significantly from day to day and over time. You may lose part or all of your investment in the Fund or your investment may not perform as well as other similar investments. The following is a
summary description of principal risks of investing in the Fund. The relative significance of each risk factor below may change over time and you should review each risk factor carefully.
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Debt Securities Risk — Debt securities, such as bonds, involve risks, such as credit risk, interest rate risk, extension risk, and
prepayment risk, each of which are described in further detail below:
Credit Risk — Credit risk refers to the possibility that the
issuer of a debt security (i.e., the borrower) will not be able to make payments of interest and principal when due. Changes in an issuer’s credit rating or the
market’s perception of an issuer’s creditworthiness may also affect the value of the Fund’s investment in that issuer. The degree of credit risk depends on both the financial condition of the issuer and the terms of the obligation.
Interest Rate Risk — The market value of bonds and other fixed-income securities changes in response to interest rate changes and
other factors. Interest rate risk is the risk that prices of bonds and other fixed-income securities will increase as interest rates fall and decrease as interest rates
rise.
The Fund may be subject to a greater risk of rising interest rates during a period of historically low interest rates. For
example, if interest rates increase by 1%, assuming a current portfolio duration of ten years, and all other factors being equal, the value of the Fund’s investments would be expected to decrease by 10%. (Duration is a measure of
the price sensitivity of a debt security or portfolio of debt securities to relative changes in interest rates.) The magnitude of these fluctuations in the market price of bonds and other fixed-income securities is generally greater for
those securities with longer maturities. Fluctuations in the market price of the Fund’s investments will not affect interest income derived from instruments already owned
by the Fund, but will be reflected in the Fund’s net asset value. The Fund may lose money if short-term or long-term interest rates rise sharply in a manner not anticipated
by Fund management.