for now, it's better you invest in the top coin in there Coinmarketcap, and if you expect fast profits it cannot be ascertained because the ups and downs of the crypto market are always unexpected.
Investing in the top altcoins in this market as well, it will help you to be safer in this market. But if you want to be more profitable, you need to be interested in IEO or DeFi projects at the moment
The more the risk, the more profit there will be. That is the rule in this market and all other markets. So make your own research and make the right investment decisions