Catch up on today's top five analyst actions with this list compiled by The Fly: 1. CarMax (KMX) upgraded to Buy from Neutral at Guggenheim with analyst Ali Faghri citing valuation. 2. Newtek Business (NEWT) upgraded to Outperform from Market Perform at Raymond James. 3. RPM (RPM) downgraded to Underweight from Neutral at JPMorgan with analyst Jeffrey Zekauskas citing valuation. 4. BlackBerry (BB) downgraded to Sell from Buy at Veritas. 5. Histogenics (HSGX) downgraded to Neutral from Buy at H.C. Wainwright with analyst Swayampakula Ramakanth saying the FDA is requiring an additional study with NeoCart. This list is just a portion of The Fly's full analyst coverage. To see The Fly's full Street Research coverage, click here.