Why everything is tanking? Because of professional traders that prepare the ground
Worldwide, traders will get their annual bonus end of january.
What I'm thinking is that all what is happening since a few day is provoked by whales and others big groups, to force prices down so when they will invest their money in the next days/weeks, they'll get the lowest possible price and biggest ROI.
It's never easy to HODL... but for lord sake, do HODL all you have! It will go up eventually!