Is it a must to use indicator in your trading strategy?

What kind of system can accurately locate support resistance and trend when doing transactions?

What cognitive biases do we have to overcome?

The market often has some good and bad news, how should we generally treat it?

What is your basis for entering the market?

How do you handle when you're in the "wrong trade"?

I heard from trading masters that transactions are divided into correct transactions and incorrect transactions. Profit orders may be wrong transactions, and loss orders may also be correct transactions. How do you define "wrong trade"? What is the most impressive mistake you made? What kind of result? What enlightenment did it have on your subsequent orders? I hope you guys can share it, thank you!