Hello,
I'd like to invest in some cryptocurrencies.
It seems BCH ETH XRP XMR are the top coins.
I have about 3000 eur, in what percentages should I differentiate my investment?

Thanks for your suggestions!
There are lots of top coins, you didn't even mention litecoin that is gaining lots of attention now and even growing. Litecoin (LTC) has reached the sixth position and has grown in market price with a market cap of over seven billion. There is also XRP and EOS and these two has been doing quite well recently. Then there is BNB but I stopped with that one ever since the hack that happened to Binance exchange. BCH is doing fine but I didn't invest in it, it's not really necessary for me. I have Bitcoin ,that is always my first choice whenever I'm investing . Then the altcoins I have are ETH, litecoin, EOS, Stellar (XLM), Cardano and Tron. These are the only coins I have for now .