The market has been attacked by banksters, cartels, and central power and this creates a lot of FUD in the space. People are influenced by those events and panic sellers, weak hands, and speculators remove their money from the space.
Then the whales and people with a huge capital increase their position and repeat the cycle.
Do not panic and HODL!
Yep that really is it, there are a lot of player that has the capacity to manipulate the system or the market.
These players have a lot of strategies at their disposal to remove yourself from the common trust imposed to the coin. And if they succeed many will lose confidence and sell their assets out of panic, and impact market price.
So yes, do not panic just hold it.