But after SoFi stock soared in 2023, it's tanking this year. Is it in bargain territory now? And could adding it now help investors build a millionaire-maker portfolio? What helps it stand out from the other digital banks proliferating today is its focus on students and young professionals. It designs its products to be appealing to customers in those demographics, with clear graphics and explanations for people who are novices in the arena of managing their own finances. SoFi takes them by the hand and wal ...