Considering selling my ethereum and investing in rocket lab instead

Previously had £2k in ethereum for about 2 years.
I’ll be honest it was a safe option for me ( when I was into crypto).

I’ve made some me profit however I think I’m getting less and less into crypto and more into stocks. Majority of my investments are now in index funds.

I also think the return of my ethereum isn’t as great - I understand ethereum is for a long hold, but compared to my investments in stocks I’m making way less profit.

There is a lot of potential with rocket lab, and seeing as there’s a drop I think it’s the perfect time to load my £2k there.
I don’t know if it’s a silly decision to make. What do you think?