Financial technology (fintech) disruptor SoFi Technologies (NASDAQ:SOFI) stock is up over 20% year-to-date. However, since early June SOFI stock has lost about 35% of its value. Source: rafapress / Shutterstock.com On June 1, the company went public through a reverse merger with Social Capital Hedosophia Corp., a special purpose acquisition company (SPAC). SOFI stock ended its…