Interactive Market Course.
In case trader had a physical commodity with the falling price, he would be worried about the inevitable losses. But speculators could benefit from such a movement by just pressing a Sell button. After a sufficient price fall, the transaction also closes in the black.
It is extremely important to understand that we have described the perfect situation. In most cases, chart does not move so predictably and unambiguously: you have to use analytical tools to build own consensus, open a trade in the right direction and, most importantly, close it in a proper moment.