Learning advice

I am about to attend university at the LSE studying Maths with Data Science. I have read most of the traditional investing books, and was wondering how to expand my learning. 

I've also built a small trading algorithm, but not sure if trading is my cup of tea over traditional equity investing.

I will be applying for spring weeks at buyside firms, but at max this is only a week or two of learning.

Interested to hear what wisdom you can share! :)