As an investor who is just investing on the top coins, I will take DOT as a good investment not only for Q1 but maybe for long term (around 1-3 years).

Polkadot isn't a stablecoin though but maybe you are saying coin at the top which is true at least since it has been there for a year already or more. I'm also thinking of buying DOT too aside from Ethereum not only because I trust the project and I believe that they will be one of the coins that will survive in a bear market but because of its rewards from staking. I'm also a big fan of dividends and I think staking is another form of dividends as they will pay you annually just by holding the token and you can earn more thru capital appreciation.

If you are a conservative investor then just pick those coins at the top but still, invest at your own risk and do your own research.