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 09/01/2005
Fund without Sales Charge (%) (NAV) -41.71 -17.65 -14.85 -8.18 -3.80
Fund with Sales Charge (%) (POP) -42.29 -17.65 -14.85 -8.18 -3.80
S&P North American Natural Resources Sector Index (%) -28.20 -10.33 -8.95 -2.55 0.15
S&P 500 Index (%) 0.86 9.04 9.12 11.69 8.34
Quarter EndAs of 03/31/2020 1 Yr 3 Yr 5 Yr 10 Yr Since InceptionInception 09/01/2005
Fund without Sales Charge (%) (NAV) -54.67 -25.53 -17.34 -10.22 -5.48
Fund with Sales Charge (%) (POP) -55.13 -25.53 -17.34 -10.22 -5.48
S&P North American Natural Resources Sector Index (%) -43.21 -18.03 -11.90 -4.35 -1.48
S&P 500 Index (%) -6.98 5.10 6.72 10.53 7.50

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 -41.76 -17.79 -14.96 -8.28
Fund without Sales Charge (%) (NAV) After Shares Sold -24.63 -12.72 -10.31 -5.54
Fund with Sales Charge (%) (POP) Before Shares Sold -42.34 -17.79 -14.96 -8.28
Fund with Sales Charge (%) (POP) After Shares Sold -24.98 -12.72 -10.31 -5.54
Quarter EndAs of 03/31/2020 1 YR 3 YR 5 YR 10 YR
Fund without Sales Charge (%) (NAV) Before Shares Sold -54.71 -25.67 -17.45 -10.32
Fund without Sales Charge (%) (NAV) After Shares Sold -32.30 -17.85 -11.78 -6.67
Fund with Sales Charge (%) (POP) Before Shares Sold -55.16 -25.67 -17.45 -10.32
Fund with Sales Charge (%) (POP) After Shares Sold -32.57 -17.85 -11.78 -6.67

Calendar Year Returns

2019 2018 2017 2016 2015 2014 2013 2012 2011 2010
Fund without Sales Charge (%) (NAV) 9.21 -24.32 -0.45 33.55 -28.36 -20.72 8.80 -5.55 -12.34 29.18
Fund with Sales Charge (%) (POP) 8.21 -25.06 -1.45 32.55 -29.08 -21.51 7.80 -6.50 -13.21 28.18
S&P North American Natural Resources Sector Index (%) 17.63 -21.07 1.23 30.87 -24.28 -9.77 16.49 2.20 -7.35 23.88
S&P 500 Index (%) 31.49 -4.38 21.83 11.96 1.38 13.69 32.39 16.00 2.11 15.06

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 09/01/2005
Fund without Sales Charge (%) (NAV) -28.67 -37.54 -41.71 -44.15 -55.25 -57.42 -43.30
Fund with Sales Charge (%) (POP) -29.38 -38.17 -42.29 -44.15 -55.25 -57.42 -43.30
S&P North American Natural Resources Sector Index (%) -22.37 -28.78 -28.20 -27.90 -37.43 -22.79 2.19
S&P 500 Index (%) -9.26 -9.29 0.86 29.66 54.74 202.21 223.72
Quarter EndAs of 03/31/2020 3 Month YTD 1 Yr 3 Yr 5 Yr 10 Yr Since Inception since 09/01/2005
Fund without Sales Charge (%) (NAV) -51.58 -51.58 -54.67 -58.71 -61.41 -65.99 -56.04
Fund with Sales Charge (%) (POP) -52.06 -52.06 -55.13 -58.71 -61.41 -65.99 -56.04
S&P North American Natural Resources Sector Index (%) -43.90 -43.90 -43.21 -44.93 -46.94 -35.88 -19.49
S&P 500 Index (%) -19.60 -19.60 -6.98 16.11 38.47 172.10 186.94

MODERN PORTFOLIO THEORY (MPT) STATISTICSAs of 05/31/2020 (updated monthly)

3 YR 5 YR 10 YR
Standard Deviation (Fund) 35.81 31.60 28.02
Standard Deviation (S&P North American Natural Resources Sector Index) 31.02 27.32 23.95
Beta 1.14 1.14 1.15
Sharpe Ratio -0.48 -0.46 -0.26
Information Ratio -1.07 -0.96 -0.94
Tracking Error 6.59 6.04 5.82

ADDITIONAL RISK STATISTICSAs of 05/31/2020 (updated monthly)

3 YR 5 YR 10 YR
Beta Bull 1.11 1.11 1.14
Beta Bear 1.10 1.12 1.15
Bull Bear Capture Ratio 0.99 0.98 0.94
Gains/Losses 0.79 0.79 0.92

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

Gross Expense Ratio 1.79%
Net Expense Ratio [further-information] 1.79%
Max Initial Sales Charge 0.00%
CDSC 1.00%

Volatility Measures [further-information] As of 05/31/2020 Updated Monthly, based on a 3-year period

Beta 1.14
Sharpe Ratio -0.48
Standard Deviation 35.81

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