3rd year Psych major looking to break into Wall Street

I am a 3rd year Psychology major (Chemistry minor) who is looking to get into finance. I have no finance experience and I am from a non-target school. I have a 3.8 GPA, ample research experience, extensive knowledge of how to breakdown/comprehend scientific literature/research articles, I am the founder/editor-in-chief of a neuroscience-based newsletter at my university, I am very good with numbers (math has always been my thing, statistics and accounting especially), and I have always had a passion for learning about cash flow, efficacy of market strategy, and business management. My issue is that, given my circumstances, I have no real "in" that I feel I can work to my advantage. What should be my next move besides attending recruiting events (not particularly at my university, because it doesn't have them), networking extensively (cold-calling, emailing recruiters, etc.), and trying to get an internship over the summer (I think I have a capital management firm in mind, but that will require more luck than anything)? Note, I am also willing to take into consideration drastic changes in my curriculum at school, such as taking on another minor or major (aka staying at school for an extra year if necessary), or even attempting to transfer to a target school (something I have thought about and seems feasible due to my good academic standing and extensive extra-cirrculars list). Thank you, and seriously, I want a change. I feel like I've fooled myself into wanting to go to medical school (yes, it's interesting and cool, but medicine is not what it used to be and I don't want to be half-dead for the next 12 years of my life because of my love of neuroscience[aka I want to become a neurosurgeon, even shadowed one it was cool but didn't spark anything in me to be like "WOW!"]), and now I honestly want to pursue what I know I'll actually enjoy... This was supposed to be an introduction, but regardless, any advice is beneficial!