Average Annual Total Returns [further-information] As of 04/30/2020

Month EndAs of 04/30/2020 1 Yr 3 Yr 5 Yr 10 Yr Since InceptionInception 06/05/1995
Fund without Sales Charge (%) (NAV) -41.02 -16.62 -13.78 -7.04 4.16
Fund with Sales Charge (%) (POP) -41.02 -16.62 -13.78 -7.04 4.16
S&P North American Natural Resources Sector Index (%) -28.20 -10.33 -8.95 -2.55
S&P 500 Index (%) 0.86 9.04 9.12 11.69 9.10
Quarter EndAs of 03/31/2020 1 Yr 3 Yr 5 Yr 10 Yr Since InceptionInception 06/05/1995
Fund without Sales Charge (%) (NAV) -54.08 -24.59 -16.28 -9.10 3.11
Fund with Sales Charge (%) (POP) -54.08 -24.59 -16.28 -9.10 3.11
S&P North American Natural Resources Sector Index (%) -43.21 -18.03 -11.90 -4.35
S&P 500 Index (%) -6.98 5.10 6.72 10.53 8.60

After-Tax Average Annual Total Returns [further-information] As of 04/30/2020

Month EndAs of 04/30/2020 1 YR 3 YR 5 YR 10 YR
Fund without Sales Charge (%) (NAV) Before Shares Sold -41.25 -17.03 -14.15 -7.35
Fund without Sales Charge (%) (NAV) After Shares Sold -23.96 -11.88 -9.52 -4.75
Fund with Sales Charge (%) (POP) Before Shares Sold -41.25 -17.03 -14.15 -7.35
Fund with Sales Charge (%) (POP) After Shares Sold -23.96 -11.88 -9.52 -4.75
Quarter EndAs of 03/31/2020 1 YR 3 YR 5 YR 10 YR
Fund without Sales Charge (%) (NAV) Before Shares Sold -54.26 -24.96 -16.64 -9.40
Fund without Sales Charge (%) (NAV) After Shares Sold -31.66 -17.05 -10.97 -5.90
Fund with Sales Charge (%) (POP) Before Shares Sold -54.26 -24.96 -16.64 -9.40
Fund with Sales Charge (%) (POP) After Shares Sold -31.66 -17.05 -10.97 -5.90

Calendar Year Returns

2019 2018 2017 2016 2015 2014 2013
Fund without Sales Charge (%) (NAV) 10.53 -23.43 0.89 35.34 -27.44 -19.74 10.11
Fund with Sales Charge (%) (POP) 10.53 -23.43 0.89 35.34 -27.44 -19.74 10.11
S&P North American Natural Resources Sector Index (%) 17.63 -21.07 1.23 30.87 -24.28 -9.77 16.49
S&P 500 Index (%) 31.49 -4.38 21.83 11.96 1.38 13.69 32.39

Cumulative Total Returns [further-information] As of 04/30/2020

Month EndAs of 04/30/2020 3 Month YTD 1 Yr 3 Yr 5 Yr 10 Yr Since Inception since 06/05/1995
Fund without Sales Charge (%) (NAV) -28.42 -37.29 -41.02 -42.03 -52.34 -51.80 175.81
Fund with Sales Charge (%) (POP) -28.42 -37.29 -41.02 -42.03 -52.34 -51.80 175.81
S&P North American Natural Resources Sector Index (%) -22.37 -28.78 -28.20 -27.90 -37.43 -22.79
S&P 500 Index (%) -9.26 -9.29 0.86 29.66 54.74 202.21 775.10
Quarter EndAs of 03/31/2020 3 Month YTD 1 Yr 3 Yr 5 Yr 10 Yr Since Inception since 06/05/1995
Fund without Sales Charge (%) (NAV) -51.39 -51.39 -54.08 -57.11 -58.86 -61.48 113.78
Fund with Sales Charge (%) (POP) -51.39 -51.39 -54.08 -57.11 -58.86 -61.48 113.78
S&P North American Natural Resources Sector Index (%) -43.90 -43.90 -43.21 -44.93 -46.94 -35.88
S&P 500 Index (%) -19.60 -19.60 -6.98 16.11 38.47 172.10 675.66

MODERN PORTFOLIO THEORY (MPT) STATISTICSAs of 04/30/2020 (updated monthly)

3 YR 5 YR 10 YR
Standard Deviation (Fund) 35.80 31.64
Standard Deviation (S&P North American Natural Resources Sector Index) 31.03 27.37 24.16
Beta 1.14 1.14
Sharpe Ratio -0.51 -0.47
Information Ratio -0.95 -0.80
Tracking Error 6.60 6.05

ADDITIONAL RISK STATISTICSAs of 04/30/2020 (updated monthly)

3 YR 5 YR 10 YR
Beta Bull 1.10 1.11
Beta Bear 1.10 1.12
Bull Bear Capture Ratio 1.01 1.01
% of Positive Months 50.00 46.67
Gains/Losses 0.77 0.78
Maximum Drawdown
61.07 61.07

SALES CHARGE, EXPENSES & FEES As of 09/01/2019 (updated annually)

Gross Expense Ratio 0.63%
Net Expense Ratio [further-information] 0.60%
Max Initial Sales Charge 0.00%
CDSC

Volatility Measures [further-information] As of 04/30/2020 Updated Monthly, based on a 3-year period

Beta 1.14
Sharpe Ratio -0.51
Standard Deviation 35.80

Benchmarks

A benchmark is a comparable broad-based index that can be used to evaluate a fund's performance.

  • S&P North American Natural Resources Sector Index
  • S&P 500 Index