Get ready for the stock to reflect that.Today, SoFi Technologies (SOFI -4.05%) is an up-and-coming bank that's growing quickly, and it's already a mid-sized bank. It has caught the attention of smart investors, and SoFi stock is up more than 450% over the past three years.However, it has grand ambitions of becoming a top-10 U.S. financial institution, and I think it can get there within the next decade. Here's how, and what it means for the stock. On the way to the topMost of the largest banks in the U.S. d ...