We should always note that the market is Volatile, yes, i would invest or Buy more Bitcoin when the price value posted on the market is low, market correct itself, then stabilized after the market glitz, some experts say, "Buy low and Sell high", profit gain or Return of investment from such investment would show profitable result, since you put in your investment specially on trading at the low price value for such coin and it is just a matter of waiting, holding on, until the market gain momentum, i am optimistic more investors will dive in to buy more Bitcoin at the low price for long term investment.