i think as for now a lot of cool and promising defi projects with good concepts are lauching, so just reccommend you to research more. personally i try to choose good dex projects with credible business model and founders and invest
smth like that in my situation. i think investing in dex project will be successful in long-term strategy. and also I try to find some dex-es with opportunities for liquidity providers
oh so u might be interesting in new stablecoin dex - xsigma, just announced and they have cool team even from Ripple and Amazon