What makes $BTC rise? Limited amount of coins, great interest in the market and in countries and institutions to obtain them. It has been bullish for a long time.
What makes $ETH rise? Being above the 200-day average (bullish) and the entry of large institutions or large investors.
What makes altcoins rise? Except for certain exceptions, it makes bitcoin rise (to a lesser extent), but to a large extent, ethereum.
What makes altcoins fall? Release of coins, drop in ethereum, lack of positive news, increase in bitcoin dominance.