The best investment, of course, is Bitcoin. It's foolish to buy ALT now.
As the bitcoin price has increased big it is good to wait for a little or just make investment on altcoins. Whenever there is good progress with the price of bitcoin there will be growth with altcoins. This time the same pattern of growth isn't experienced upon which it is good to invest on top altcoins as there is assured growth with growth of bitcoin in the upcoming days.