why is crypto currency, Knowledge

So many times, I will make very little money and run away.I started to make up the position, and it got bigger and bigger.If it doesn't come out, it may vomit.

But if it's trapped,But then it fell to 15 yuan,Even if that movie sucks, because you invested in the cost of buying tickets,

But if you pay to watch a movie at the cinema,In fact, if a stock is profitable,Is not a market for value investment,