This CytomX Therapeutics Analyst Turns Bullish; Here Are Top 4 Upgrades For Thursday

Top Wall Street analysts changed their outlook on these top names. For a complete view of all analyst rating changes, including upgrades, downgrades and initiations, please see our analyst ratings page. Jefferies analyst Alejandro Demichelis upgraded Petróleo Brasileiro S.A. – Petrobras (NYSE:PBR)…