Will,the decision is up to you,either you much hold more longer,or maybe this is the time now of selling all of your asset,to cut all your losses because of dumping the price value now of all altcoins,if im that in your position now, i would divided it to half all of my altcoins and  invest the other half  into land or stock as what you said while the other half of my capital i continue to roll it in trading investment,because my purpose whether those business would not success at least one of them i continue earned and cultivate profit.