Will BTC ever come back up?

I am unsure to be honest. The recent 2017/2018 Bitcoin rush certainly destabilized the market.
I am hesitant to say there is a bubble and its about to burst, but for now i am mining some crypto and have about 400$ floating around in it.

As for wheter or not it will go up. it depends on how this gold rush turns out. If all the new people who rushed in are trying to get out with a profit or losing as little as possible then the value will go down fast. Either things turn out rough, stable or really good.

Only time will tell.