Performance data quoted represents past performance, which does not guarantee future results. Investment return and principal value of an investment will fluctuate so that an investor's shares, when redeemed, may be worth more or less than their original cost. Current performance may be lower or higher than the performance data quoted. Total annual High Yield Bond Fund operating expenses, gross of any fee waivers or reimbursements, are 1.77%. Total High Yield Bond Fund Fund operating expenses , net of fee waivers, reimbursements and acquired fund fees and expenses, are 0.99%.