1) why bitcoin price gone this much down?
2)why bitcoin price fluctuate too much?
3)which features affect on the fluctuations of price of btc?
4)Is bitcoin price affect on altcoins? If yes then which altcoins price get affected by it ànd which are not?
5)when we should see the price increament in BTC?
It seems like you just learned about bitcoin, you have to know why it happened, why fluctuations occur, of course there are causes.
Maybe you should read a lot about what fluctuations mean.
Their reasoning is that the value of the crypto currency continues to soar in a bubble driven by retail speculators, many of which come from within the country. That's what I read on the site.