Bitcoin Has Buy Call So Does That Mean All Other Coins Have a Sell Call

Bitcoin may rise again in Couple of Days That is the call given by many experts
It has been observed that whenever Bitcoin Rises Many of the Altcoins have
decreased
and after some time they have come at their current level
So is it advisable to gain profit from them too
as bitcoin will rise for sure in near future so when that happens many Altcoins
will go low

Which other coins can go up or low in crypto with the movement of BItcoin
I trade Short Term and Long Term Both