What is the essence of trading?

The essence of trading is quite simple: it is the exchange of goods for goods, a fair trade. When you buy something, you have to exchange money for it; if you want to make money, you have to exchange ...
What is the essence of trading?

Why do many people tend to cut meat at the bottom?

This is a matter of human nature. Originally, I always held out hope for the market trend, believing it would surely reverse. I kept adding to my position bit by bit, with a growing anticipation. Howe...
Why do many people tend to cut meat at the bottom?