Portfolio for a lumpsump contribution from Tax Refund

Hi all, This March, I am expecting a tax refund of 7k or more. I normally do monthly DCA from my income. But I would like to try with my tax refund and keep it separate for 1 year. I have been analysing Reddit and found the following stocks to be highly suggested. If you were in my place, what would you do with this amount to get the most out of it? (I am considering the high risk in it) NBIS, APLD, ONDS, OKLO, RKLB, ASTS, LUNR Thanks for your suggestions.