Benzinga's Top Upgrades By: Benzinga via Benzinga June 30, 2015 at 09:50 AM EDT Analysts at Citigroup upgraded RPC, Inc. (NYSE: RES) from Sell to Neutral. RPC shares closed at $13.53 yesterday. Wells Fargo ... Read More >> Related Stocks: Biocryst Pharma Inc Corelogic Gold Fields Ltd ADR Lowe's Companies Petrobras - Petroleo Brasileiro S.A. Popular Inc RPC Inc Range Resources Sunstone Hotel Investors