DISCIPLINED GROWTH FUND R5 CLASS DISCIPLINED GROWTH FUND R5 CLASS, C000189759, ADGGX SMALL COMPANY FUND I CLASS SMALL COMPANY FUND I CLASS, C000016486, ASCQX DISCIPLINED VALUE FUND C CLASS DISCIPLINED VALUE FUND C CLASS, C000016476, ACGCX Small Cap Stocks Risk Member Small Cap Stocks Risk Member Redemption Risk Member Redemption Risk Member GLOBAL GOLD FUND GLOBAL GOLD FUND, S000005978 DISCIPLINED VALUE FUND INVESTOR CLASS DISCIPLINED VALUE FUND INVESTOR CLASS, C000016473, BIGRX DISCIPLINED GROWTH FUND A CLASS DISCIPLINED GROWTH FUND A CLASS, C000016463, ADCVX NYSE Arca Gold Miners Index (Total Return) (reflects no deduction for fees, expenses or taxes) NYSE Arca Gold Miners Index (Total Return) (reflects no deduction for fees, expenses or taxes) S&P 500® Utilities Index (reflects no deduction for fees, expenses or taxes) S&P 500® Utilities Index (reflects no deduction for fees, expenses or taxes) Gold Stocks Risk Member Gold Stocks Risk Member Foreign Securities Risk Member Foreign Securities Risk Member GLOBAL GOLD FUND A CLASS GLOBAL GOLD FUND A CLASS, C000016472, ACGGX SMALL COMPANY FUND SMALL COMPANY FUND, S000005981 Russell 1000® Growth Index (reflects no deduction for fees, expenses or taxes) Russell1000®GrowthIndexreflectsnodeductionforfeesexpensesortaxes S&P 500® Index (reflects no deduction for fees, expenses or taxes) S&P 500® Index (reflects no deduction for fees, expenses or taxes) DISCIPLINED VALUE FUND R CLASS DISCIPLINED VALUE FUND R CLASS, C000016477, AICRX Style Risk Member Style Risk Member DISCIPLINED VALUE FUND DISCIPLINED VALUE FUND, S000005979 DISCIPLINED GROWTH FUND INVESTOR CLASS DISCIPLINED GROWTH FUND INVESTOR CLASS, C000016462, ADSIX SMALL COMPANY FUND C CLASS SMALL COMPANY FUND C CLASS, C000088007, ASQCX Concentration Risk Member Concentration Risk Member Diversification Risk Member Diversification Risk Member Benchmark Correlation Risk Member Benchmark Correlation Risk Member DISCIPLINED VALUE FUND A CLASS DISCIPLINED VALUE FUND A CLASS, C000016474, AMADX GLOBAL GOLD FUND R CLASS GLOBAL GOLD FUND R CLASS, C000055506, AGGWX DISCIPLINED CORE EQUITY FUND C CLASS DISCIPLINED CORE EQUITY FUND C CLASS, C000016469, AEYCX MSCI World Index (reflects no deduction for fees, expenses or taxes) MSCI World Index (reflects no deduction for fees, expenses or taxes) Market Risk Member Market Risk Member DISCIPLINED CORE EQUITY FUND INVESTOR CLASS DISCIPLINED CORE EQUITY FUND INVESTOR CLASS, C000016466, BEQGX Price Volatility Risk Member Price Volatility Risk Member Investment Process Risk Member Investment Process Risk Member GLOBAL GOLD FUND I CLASS GLOBAL GOLD FUND I CLASS, C000055503, AGGNX GLOBAL GOLD FUND INVESTOR CLASS GLOBAL GOLD FUND INVESTOR CLASS, C000016471, BGEIX Low Dividend Yield Risk Member Low Dividend Yield Risk Member SMALL COMPANY FUND R5 CLASS SMALL COMPANY FUND R5 CLASS, C000189764, ASQGX UTILITIES FUND INVESTOR CLASS UTILITIES FUND INVESTOR CLASS, C000016488, BULIX Russell 3000® Index3 (reflects no deduction for fees, expenses or taxes) Russell 3000® Index3 (reflects no deduction for fees, expenses or taxes) Growth Stocks Risk Member Growth Stocks Risk Member DISCIPLINED CORE EQUITY FUND I CLASS DISCIPLINED CORE EQUITY FUND I CLASS, C000016468, AMEIX Russell 1000® Value Index (reflects no deduction for fees, expenses or taxes) Russell 1000® Value Index (reflects no deduction for fees, expenses or taxes) Emerging Markets Risk Member Emerging Markets Risk Member Russell 1000® Index (reflects no deduction for fees, expenses or taxes) Russell 1000® Index (reflects no deduction for fees, expenses or taxes) REITs Risk Member REITs Risk Member American Century Quantitative Equity Funds Prospectus American Century Quantitative Equity Funds Prospectus Russell 2000® Index (reflects no deduction for fees, expenses or taxes) Russell 2000® Index (reflects no deduction for fees, expenses or taxes) DISCIPLINED VALUE FUND R5 CLASS DISCIPLINED VALUE FUND R5 CLASS, C000189761, AICGX SMALL COMPANY FUND A CLASS SMALL COMPANY FUND A CLASS, C000016485, ASQAX DISCIPLINED VALUE FUND I CLASS DISCIPLINED VALUE FUND I CLASS, C000016475, AMGIX DISCIPLINED GROWTH FUND R CLASS DISCIPLINED GROWTH FUND R CLASS, C000016465, ADRRX DISCIPLINED GROWTH FUND DISCIPLINED GROWTH FUND, S000005976 DISCIPLINED CORE EQUITY FUND A CLASS DISCIPLINED CORE EQUITY FUND A CLASS, C000016467, BEQAX SMALL COMPANY FUND R CLASS SMALL COMPANY FUND R CLASS, C000016487, ASCRX Single Country Risk Member Single Country Risk Member DISCIPLINED CORE EQUITY FUND R CLASS DISCIPLINED CORE EQUITY FUND R CLASS, C000016470, AEYRX DISCIPLINED GROWTH FUND Y CLASS DISCIPLINED GROWTH FUND Y CLASS, C000189758, ADCYX DISCIPLINED GROWTH FUND C CLASS DISCIPLINED GROWTH FUND C CLASS, C000055501, ADCCX Currency Risk Member Currency Risk Member GLOBAL GOLD FUND C CLASS GLOBAL GOLD FUND C CLASS, C000055505, AGYCX DISCIPLINED GROWTH FUND I CLASS DISCIPLINED GROWTH FUND I CLASS, C000016464, ADCIX DISCIPLINED CORE EQUITY FUND R5 CLASS DISCIPLINED CORE EQUITY FUND R5 CLASS, C000189760, AEYGX SMALL COMPANY FUND INVESTOR CLASS SMALL COMPANY FUND INVESTOR CLASS, C000016484, ASQIX DISCIPLINED CORE EQUITY FUND DISCIPLINED CORE EQUITY FUND, S000005977 UTILITIES FUND UTILITIES FUND, S000005982