Shares of the member-centric consumer bank SoFi Technologies (SOFI 4.25%) have been soaring. The stock shot up by 148% during the five months between June 30 and Dec. 1, 2024.SoFi stock defied gravity for months but started falling recently. Investment-bank analysts aren't convinced the underlying business has grown fast enough to support its lofty new valuation.Is SoFi Technologies still a good stock to buy or has it run too far already? To find out, we'll look at why it shot higher this year and why Wall ...