Yeah it is useful to think about investing in probability terms, i.e. consider expected reward and standard deviation of it, i.e. risk.
%%Take a break.

NOT that DOW or UDOW is a major benchmark its not , but still important.................%%Take a break.


%%I think a trader having a bad week or month should not think too much because having too many thoughts will make things only worse.
The right thing to do would be to take some time off from trading, clear the head, find and fix mistakes in the trading strategies and maybe then, try to trade again, preferably a micro account.