Here's a look at why SoFi stock has soared and whether its still a buy.After a tough couple of years since going public in 2021, SoFi Technologies (SOFI 3.73%) stock has come roaring back. The fintech stock has surged nearly 200% over the past 12 months, fueled by accelerating growth, consistent profitability, and strong adoption across its ecosystem of digital banking products.As SoFi stock climbs over $20 per share, many investors are asking whether now is the right time to buy. Here's what you need to kn ...