As an Air Sign, Aquarius needs to be using their intellect to solve problems. It's just part of your makeup to think a lot. If you have a job that lets you do this, congratulations! You're well on your way to achieving your purpose.
But as an investor, Aquarius can really make a mark. Your ability to think about complex systems like the stock market can provide a new skill you're determined to master.
This combined with you exceptionally high ability to think outside the box can let you foresee market trends others easily overlook.
You don't need to know everything to be a great investor, just enough to grow your money over time.