How to control your emotions in trading?

Can retail investors make a lot of money by trading? How can I earn it?

What are the common operating modes of thousands of trading studios, and how do they support themselves?

I partnered with a friend to do asset management for a year, and then it all collapsed. Is there any colleague to share with you? I also want to try again, before I try, I would like to ask everyone's suggestions and experiences

What would you say to yourself if you went back to your first day in trading?

Why do really successful traders never share their methods or strategies?

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