this is the main aim of this market.

buy from lower , sell from higher prices. get profit and spend spend spend...
Holding is a very good way of making more money as when you keep on holding your coins for longer period, this will give you an opportunity that you can make more earnings as the market will surely rise higher sooner or later.
In a condition like this when the market is falling, you need to stay patient and that you need to keep your nerves under your control and not to make a silly mistake of selling your coins.