Which coins are more promising in terms of investing now?
Many of them drop, which ones grow?
In my opinion you can go and invest on bitcoin also top ten alltcoins in coinmarketcap.
I think they are coins that will grow in the future, and if we reduce the options I think you can invest on Bitcoin and BNB because they are promising.
Here are some altcoins that I think it worth investing in the current market value, Ethereum, ADA, TRON. I would highly suggest investing more in Ethereum as I see some potential to grow within the last month of the year or research on your own. There are many tips here that will help you. Also, try to look at coinmarketcap. All altcoins are listed. There will provide some data about the coins.