As we all know it when bitcoin price goes down, most of the coins are heading down too. That's because bitcoin it is the Heart of all coins if its sound then all of the coins are good, if it's Bad then all of the coins are going down too. most of the time other coins are following the bitcoin price. just look up the market right now.
I have no doubt that in the coming years, Bitcoin will remain a confident leader in the entire crypto market, has a huge impact on all cryptocurrencies. Therefore, I usually invest 50% of my money in the purchase of BTC, because over time, in any case, it will restore its former position and continue its stable development.