Data reflects past performance for Investor Class shares, assumes reinvestment of dividends and capital gains and is no guarantee of future results. Current performance may be higher or lower than data shown. Investment return and principal value fluctuates. Redemption value may be more or less than original cost. Obtain performance data current to the most recent month end. For additional share class information, consult the prospectus. Extraordinary performance is attributable in part to unusually favorable market conditions and may not be repeated or consistently achieved in the future.
Expense ratios provided are the funds' total annual operating expense ratios, gross of any fee waivers or expense reimbursements. Expense ratios are as of the funds' most current prospectus.
The advisor waived 0.07% of the fund's management fee, expects this waiver to continue until October 31, 2015, and cannot terminate it prior to such date without the approval of the board of directors. Returns or yields for the fund would have been lower if a portion of the management fee had not been waived. Review the annual or semiannual report for the most current information.
30-Day SEC Yield (Subsidized/Unsubsidized): Represents net investment income earned by a fund over a 30-day period, expressed as an annual percentage rate based on the fund's share price at the end of the 30-day period. Subsidized yield reflects fee waivers and/or expense reimbursements during the period. Without waivers and/or reimbursements, yields would be reduced. Unsubsidized yield does not adjust for any fee waivers and/or expense reimbursements in effect.
W2 If your account falls below the minimum balance, you will be notified and given 90 days to meet the minimum. If the deadline is not met, American Century Investments may redeem the shares in the account and send the proceeds to the address of record.
For detailed descriptions of indices or investing terms referenced above, refer to our glossary.