Average Annual Total Returns [further-information] As of 06/30/2020

Month EndAs of 07/31/2020 1 Yr 3 Yr 5 Yr 10 Yr Since InceptionInception 06/05/1995
Fund without Sales Charge (%) (NAV) -30.85 -14.11 -8.36 -5.59 4.41
Fund with Sales Charge (%) (POP) -30.85 -14.11 -8.36 -5.59 4.41
S&P North American Natural Resources Sector Index (%) -21.69 -8.71 -4.46 -1.22
S&P 500 Index (%) 11.96 12.01 11.48 13.84 9.53
Quarter EndAs of 06/30/2020 1 Yr 3 Yr 5 Yr 10 Yr Since InceptionInception 06/05/1995
Fund without Sales Charge (%) (NAV) -34.89 -13.26 -10.97 -4.87 4.35
Fund with Sales Charge (%) (POP) -34.89 -13.26 -10.97 -4.87 4.35
S&P North American Natural Resources Sector Index (%) -24.37 -8.01 -6.47 -0.69
S&P 500 Index (%) 7.51 10.73 10.72 13.99 9.33

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 06/30/2020

Month EndAs of 07/31/2020 YTD 1 Yr 3 Yr 5 Yr 10 Yr Since Inception since 06/05/1995
Fund without Sales Charge (%) (NAV) -32.75 -30.85 -36.63 -35.36 -43.75 195.79
Fund with Sales Charge (%) (POP) -32.75 -30.85 -36.63 -35.36 -43.75 195.79
S&P North American Natural Resources Sector Index (%) -25.46 -21.69 -23.93 -20.39 -11.52
S&P 500 Index (%) 2.38 11.96 40.53 72.23 265.58 887.73
Quarter EndAs of 06/30/2020 YTD 1 Yr 3 Yr 5 Yr 10 Yr Since Inception since 06/05/1995
Fund without Sales Charge (%) (NAV) -33.90 -34.89 -34.75 -44.06 -39.31 190.70
Fund with Sales Charge (%) (POP) -33.90 -34.89 -34.75 -44.06 -39.31 190.70
S&P North American Natural Resources Sector Index (%) -26.33 -24.37 -22.17 -28.42 -6.70
S&P 500 Index (%) -3.08 7.51 35.77 66.45 270.31 835.01

After-Tax Average Annual Total Returns [further-information] As of 06/30/2020

Month EndAs of 07/31/2020 1 YR 3 YR 5 YR 10 YR
Fund without Sales Charge (%) (NAV) Before Shares Sold -31.12 -14.53 -8.75 -5.91
Fund without Sales Charge (%) (NAV) After Shares Sold -17.92 -10.17 -5.94 -3.84
Fund with Sales Charge (%) (POP) Before Shares Sold -31.12 -14.53 -8.75 -5.91
Fund with Sales Charge (%) (POP) After Shares Sold -17.92 -10.17 -5.94 -3.84
Quarter EndAs of 06/30/2020 1 YR 3 YR 5 YR 10 YR
Fund without Sales Charge (%) (NAV) Before Shares Sold -35.15 -13.69 -11.35 -5.19
Fund without Sales Charge (%) (NAV) After Shares Sold -20.32 -9.57 -7.71 -3.35
Fund with Sales Charge (%) (POP) Before Shares Sold -35.15 -13.69 -11.35 -5.19
Fund with Sales Charge (%) (POP) After Shares Sold -20.32 -9.57 -7.71 -3.35

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 07/31/2020 Updated Monthly, based on a 3-year period

Beta 1.14
Sharpe Ratio -0.44
Standard Deviation 35.73

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