Yahoo Finance just listed top 10 coins by market cap in that article. You wouldn't think about buying Tether as an investment decision, right? That'd be so funny.
I couldn't pick 10 coins to invest for the rest of the year. I prefer to keep my portfolio smaller. I would hold major coins like XRP, BNB, TRX, ADA, SOL etc. but I would prefer to hold them for longer. Majority of my money would still be in Bitcoin.
I would say that stay away from XRP if you can, it is one of the most centralized currencies in the world, I rather use Dollar itself (the original american one not the usdt version) instead of XRP and would feel a lot more comfortable and I am a person who lives as fully crypto as possible, xrp is that bad, not in a investment way maybe it would profit you but at the end of the day I would not invest into something shady looking even if it means I could profit from it.
However all others are great, ADA, TRX, BNB, SOL these are all awesome coins, I would add ETH into that mixture as well instead of ETH and you would basically have my top portfolio anyway. I have some silly smaller investments and I also have bitcoin as my biggest portfolio piece but that's about it, I do not invest into anything else, and I am quite happy with the results so far.