Average Annual Total Returns [further-information] As of 03/31/2020

Month EndAs of 05/31/2020 1 Yr 3 Yr 5 Yr 10 Yr Since InceptionInception 09/01/2005
Fund without Sales Charge (%) (NAV) -31.55 -15.53 -13.30 -6.75 -3.60
Fund with Sales Charge (%) (POP) -32.24 -15.53 -13.30 -6.75 -3.60
S&P North American Natural Resources Sector Index (%) -18.62 -8.46 -7.48 -1.26 0.32
S&P 500 Index (%) 12.84 10.23 9.86 13.15 8.63
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

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 03/31/2020

Month EndAs of 05/31/2020 YTD 1 Yr 3 Yr 5 Yr 10 Yr Since Inception since 09/01/2005
Fund without Sales Charge (%) (NAV) -35.85 -31.55 -39.73 -51.01 -50.30 -41.76
Fund with Sales Charge (%) (POP) -36.49 -32.24 -39.73 -51.01 -50.30 -41.76
S&P North American Natural Resources Sector Index (%) -26.97 -18.62 -23.29 -32.23 -11.92 4.79
S&P 500 Index (%) -4.97 12.84 33.95 60.05 244.08 239.14
Quarter EndAs of 03/31/2020 YTD 1 Yr 3 Yr 5 Yr 10 Yr Since Inception since 09/01/2005
Fund without Sales Charge (%) (NAV) -51.58 -54.67 -58.71 -61.41 -65.99 -56.04
Fund with Sales Charge (%) (POP) -52.06 -55.13 -58.71 -61.41 -65.99 -56.04
S&P North American Natural Resources Sector Index (%) -43.90 -43.21 -44.93 -46.94 -35.88 -19.49
S&P 500 Index (%) -19.60 -6.98 16.11 38.47 172.10 186.94

After-Tax Average Annual Total Returns [further-information] As of 03/31/2020

Month EndAs of 05/31/2020 1 YR 3 YR 5 YR 10 YR
Fund without Sales Charge (%) (NAV) Before Shares Sold -31.60 -15.68 -13.41 -6.85
Fund without Sales Charge (%) (NAV) After Shares Sold -18.61 -11.27 -9.33 -4.66
Fund with Sales Charge (%) (POP) Before Shares Sold -32.29 -15.68 -13.41 -6.85
Fund with Sales Charge (%) (POP) After Shares Sold -19.01 -11.27 -9.33 -4.66
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

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