Benzinga's Top Upgrades - Antero Resources (NYSE:AR), Argent Mid Cap ETF (NASDAQ:AMID)

Bernstein upgraded ARM Holdings plc (ADR) ARMH from Underperform to Market Perform. ARM Holdings shares rose 0.12 percent to $66.35 in pre-market trading.
RBC Capital upgraded Markit Ltd INFO from Sector Perform to Outperform. IHS Markit shares rose 0.95 percent to $36.00 in pre-market trading.
Baird upgraded Antero Resources Corp AR from Neutral to Outperform. Antero Resources shares fell 1.45 percent to close at $26.44 on Wednesday.
Analysts at Tudor Pickering upgraded Chesapeake Energy Corporation CHK from Hold to Buy. Chesapeake Energy shares rose 5.27 percent to $4.99 in pre-market trading.
PiperJaffray upgraded Fairmount Santrol Holdings Inc FMSA from Neutral to Overweight. Fairmount Santrol shares gained 0.98 percent to $6.21 in pre-market trading.
Analysts at Ladenburg Thalmann upgraded American Midstream Partners LP AMID from Neutral to Buy. American Midstream shares gained 1.61 percent to close at $12.00 on Wednesday.
Analysts at Dundee upgraded Louisiana-Pacific Corporation LPX from Neutral to Buy. Louisiana-Pacific shares rose 0.34 percent to $20.49 in pre-market trading.
Analysts at Tudor Pickering upgraded Williams Companies Inc WMB from Hold to Buy. Williams Companies shares rose 0.92 percent to $25.36 in pre-market trading.