If you think that bitcoin is down again I strongly suggest that you must go back to basics of bitcoin. You should read more articles or even study more about the crypto currencies world. Because just imagine if the bitcoins value will be flat or stable or we can say in simple word that its value will not rise and fall. Do you think it will be profitable at all if that scenario will happen, definitely no right? When the prize down again be happy prepare your money for you to invest because I am pretty sure that it will raise again and you will get a lot of profit.