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: Keefe Bruyette upgraded Bain Capital Specialty Finance (BCSF) to Outperform from Market Perform with an unchanged price target of $16. The firm says Bain's share performance provides an attractive entry point.JPMorgan upgraded Paccar (PCAR) to Overweight from Neutral with a price target of$133, up from $108. Foll ...