How to choose between saving and investing your money

Does it make sense to compare long term averages of investments with the peak of savings rates?

MSCI CN IMI/INDUSTRIALS STRD HK (^665154-HKD-STRD)

MSCI - MSCI Real-time price. Currency in USD

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515.96

-5.44

(-1.04%)

As of 11:17AM EDT. Market open.