SoFi Technologies, Inc. (SOFI) shares dropped by approximately 13% after Keefe, Bruyette & Woods downgraded the stock from Market Perform to Underperform and reduced the price target from $7.50 to $6.50. The downgrade was based on recent outperformance and changes in the analyst's model. Other stocks experienced significant movements in Wednesday's mid-day session, with various companies reporting gains due to positive developments such as regulatory approvals, partnership announcements, and favorable analyst ratings. Conversely, some stocks saw declines due to negative news such as poor earnings, strategic setbacks, or unfavorable analyst actions.