Of course, old coins still have a chance to compete with new crypto projects, although that's if they constantly improve their project and make it look more appealing, as far as I can tell eos, vet and xtz are still awesome coins, they are still among the top 100 coins on the market, personally I like vet alot and I think it's going to do well in the long run, if you want another recommendation although it's not all that old I would recommend you invest in projects that are fundamentally strong e.g Near Protocol, they are doing some crazy stuffs over there and I think it will make top 20 soon.