Why small or medium investors are always wiped out by the big sharks of the market

First: They are the ones actively buying and selling, when the price reaches the necessary level, they always quietly share the pie like little mice gnawing away, and when it gets too big, then everyone can see it, the mouse has already filled its belly

Second: fish always know to buy low and sell high, there is no buyer who buys at a high price and sells at a low price

Third: the exchanges hold all your orders. They know who is making a profit, who is at a loss

So small traders always lose