This high-growth fintech stock looks undervalued.SoFi Technologies (SOFI -3.74%) hasn't impressed too many investors since its public debut. The fintech company went public by merging with a special purpose acquisition company (SPAC) on June 1, 2021, and its stock opened at $21.97.But today, SoFi's stock trades at about $16. Like many other SPAC-backed companies, SoFi disappointed its investors by missing its ambitious pre-merger forecasts. Rising interest rates exacerbated that pressure by squeezing its va ...