Performance displayed represents past performance which is no guarantee of future results. Investment returns and principal value will fluctuate so that when shares are redeemed, they may be worth more or less than original cost. Current performance may be lower or higher than the performance data quoted. Returns for performance under one year are cumulative, not annualized. Load performance reflects maximum sales charges or contingent deferred sales charges (CDSC) as applicable. Class A-shares have a maximum sales charge of 3.00%. Effective 10/1/2015 the A-Class maximum front-end sales charge was changed from 4.75% to 3.00%. For performance periods that begin prior to 10/1/2015, a 4.75% load was used and for performance periods that begin after 10/1/2015, a 3.00% load was used. Class C-shares have a maximum CDSC of 1% for shares redeemed within 12 months of purchase. For additional information, see the fund's prospectus.

Data is subject to change on a daily basis. Partial year returns are cumulative, not annualized. Returns reflect the reinvestment of dividends.

This Fund may not be suitable for all investors. • Investments in floating rate senior secured syndicated bank loans and other floating rate securities involve special types of risks, including credit rate risk, interest rate risk, liquidity risk and prepayment risk. • The Fund’s market value will change in response to interest rate changes and market conditions among other factors. In general, bond prices rise when interest rates fall and vice versa. • The Fund’s exposure to high yield securities may subject the Fund to greater volatility. • When market conditions are deemed appropriate, the Fund will leverage to the full extent permitted by its investment policies and restrictions and applicable law. Leveraging will exaggerate the effect on net asset value of any increase or decrease in the market value of the Fund’s portfolio. • The Fund may invest in derivative instruments, which may be more volatile and less liquid, increasing the risk of loss when compared to traditional securities. Certain of the derivative instruments are also subject to the risks of counterparty default and adverse tax treatment. • Instruments and strategies (such as borrowing transactions and reverse repurchase agreements) may provide leveraged exposure to a particular investment, which will magnify any gains or losses on those investments. • Investments in reverse repurchase agreements and synthetic instruments (such as synthetic collateralized debt obligations) expose the Fund to the many of the same risks as investments in derivatives. • The Fund’s investments in other investment vehicles subject the Fund to those risks and expenses affecting the investment vehicle. • The Fund’s investments in foreign securities carry additional risks when compared to U.S. securities, due to the impact of diplomatic, political or economic developments in the country in question (investments in emerging markets securities are generally subject to an even greater level of risks). • The Fund’s investments in real estate securities subject the Fund to the same risks as direct investments in real estate, which is particularly sensitive to economic downturns. • The Fund’s investments in restricted securities may involve financial and liquidity risk. • The Fund is subject to active trading risks that may increase volatility and impact its ability to achieve its investment objective. • You may have a gain or loss when you sell your shares. • It is important to note that the Fund is not guaranteed by the U.S. government. • Please read the prospectus for more detailed information regarding these and other risks.