Oracle gets upgrade and downgrade: Wall Street's top analyst calls

The most talked about and market moving research calls around Wall Street are now in one place. Here are today's research calls that investors need to know, as compiled by The Fly.Top 5 Upgrades: Needham upgraded Medtronic (MDT) to Buy from Hold with a $121 price target. The firm says the company is in the early stages of several major product launches in multi-billion-dollar markets.Citizens upgraded SoFi Technologies (SOFI) to Outperform from Market Perform with a $30 price target. The firm believes SoFi ...