Yes right, positive thinking will bring things better because with positive thoughts then our attitude and life becomes better, I hope that if we lose or fail in business and investment then we always positive thinking.
A person who succeeds will always have positive thoughts, that will lead them to the fun and comfort but we should remember that this is depending on the situation, we can not always maintain a positive mindset because it will make us unacceptable and overcome negative emotions or failures. More simply, if we have fallen into a situation that is too bad and can not be resolved, they should accept and face instead of trying to be positive, positive things only make things worse, life is in need of balance, can not always positive
You should to have positive thinking for your decision in investment, because it means you calculated and considered carefully the worst situations can happen.
You have to remember only when you feel all things ok in your investment, you can think positively about the result after all.
I saw many rich investors do not feel worry about the price of Bitcoin dumped below $6,000 in the past weeks.
Even, they bought many Bitcoin at that price just because they knew $6,000 is the bottom price of Bitcoin.
The same, Ethereum's price was below $300 in a short time, but there are many investor thought the price of Ethereum will be below $100 after dumped strong resistance price at $300, so, they sold their Ethereum at lowest price.
But they do not know finally, Bitmain control the price of Ethereum to make it stop the bearish trend and bounce to $500
P/s: I just want to advise you should to prepare all things careful, if you have clearly plans, strategies, you do not need to pay attention to other speculations, rumor, etc.