Math Minor with Finance Major or no minor?

I was looking to go into toward corporate finance or investment analysis and was debating whether or not to go with the math minor or not. I switch my major with civil engineering so I already have taken calc 1, 2, 3 and its like 2 extra classes to get it. Do companies even look at minors or is it a waste or time?
Update: *I switch my major from civil engineering
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