For the period $1926$ to $2021,$ the annual return on large$-$company stocks:

Was negative following every$-$three year period of positive returns

Was only negative for two or more consecutive years during the Great Deppression

Remained negative for at least two consecutive years anytime that it was negative

Never exceeded a psotove $30$ percent nor lost more than $20$ percent

Was unpredicatble based on the prior year's performace