Looks like we are having a January clearance sale 
In all seriousness, alts follow bitcoin. When bitcoin has a bad day, usually alts have a really bad day. When bitcoin stabilizes and starts showing strength, the alts usually come back stronger. Impossible to time perfectly, but bitcoin usually drives the direction.
I think this is the best time to invest and the best time to buy because of the state of some crypto right now, also when you invest now there's a chance you can have more profit to get specially when the value is increase again this upcoming months In all seriousness, alts follow bitcoin. When bitcoin has a bad day, usually alts have a really bad day. When bitcoin stabilizes and starts showing strength, the alts usually come back stronger. Impossible to time perfectly, but bitcoin usually drives the direction.