The decision to invest involves first knowing the market conditions and being aware that somebody can win or lose, when somebody do not know these conditions, if you manage to face the risk then yes, it should be time to invest.
of course we are in investment that requires a better situation. but even though we are in a bad situation, we can also invest so whenever we can invest properly. it's just that we really need a cool situation to face the future. so that there is also enthusiasm to invest