The online bank is growing quickly and finally turning the corner on profitability.The last few years have been rough for SoFi Technologies (SOFI 1.93%) investors. 2024 isn't going much better. The financial technology (fintech) and online banking upstart is down around 20% year to date while the S&P 500 index soars in the U.S. Index holders have appreciated a 60% total return level since SoFi went public while SoFi stock is down around 29%.However, if you look at SoFi's underlying business, it continues to ...