Perhaps this will happen when the Altcoins are almost up. When Bitcoin reached $ 5,700 after a year of heavy falls. I think in the future the bear market will end and bull run may happen.
Bull markets entirely depend on the price for bitcoins. The higher the price for bitcoins would go the more close the bull markets will arise. Bull markets will make us see all major altcoins including bitcoin, etherum, etc on the highest peak until now and the number would keep going in the ascending manner.
Such bull markets could be welcomed soon as the price for bitcoins is really going on the peak after the heavy fall later mid 2017. The ones who would hold most of the bitcoins in these bull markets would be the future millionaires. bear markets are on the border of extinct now and atleast for a year from now, we can see bitcoins and all other altcoins on a peak.