TRADE Selling TRADE IDEA

Dear Hui friends, how to solve the situation of small profits and big losses?

In the era of bad technical indicators, can you still make money from technology?

If you want to make money in trading, what principles do you need to understand?

Fund management has always been a headache for me. May I ask you guys, how can I do a good job of position control?

I have been unable to set the stop loss in the transaction, how can I do a good stop loss?