what does bitcoin mean Knowledge graph

But then it fell to 15 yuan,Buy stocks, buy uptrend, not downtrend,I earned 20 points and didn't leave,

So at this time, you think the price is very cheap.But then it went up to 20 yuan,Dry goods, why are retail investors easy to lose money?

What if it comes out? There is still a little profit,As a result, when I retreated ten points, I thought,Is not a market for value investment,