Most of altcoins' prices are generally affected by a change in bitcoin's price. That's a fact since all are paired with bitcoin in exchanges. While for some that continued to rise during a fall in bitcoin, they simply have showed improvements/developments in their projects such that many investors are attracted. But this doesnt mean bitcoin will be outruled by altcoins. Just wait for a massive pump in bitcoin and you will see its dominance.
Now both bitcoin and altcoin have an assignment for they do thier task competitive rules and actions to be more attractive of investors and at the end of the shows the tickets are all sold successful events we are aiming for and also customer will be satisfied of our convenient services.