Benzinga's Top Upgrades - Chesapeake Energy (NASDAQ:CHK), Marathon Oil (NYSE:MRO)

Bank of America upgraded Noble Corporation NE from Underperform to Neutral. Noble shares gained 2.96 percent to $6.95 in pre-market trading.
Analysts at Raymond James upgraded Shenandoah Telecommunications Company SHEN from Market Perform to Outperform. Shenandoah shares gained 2.49 percent to $28.00 in pre-market trading.
Bank of America upgraded Marathon Oil Corporation MRO from Neutral to Buy. Marathon Oil shares rose 2.42 percent to $15.26 in pre-market trading.
Capital One Financial upgraded Chesapeake Energy Corporation CHK from Underweight to Equal-weight. Chesapeake Energy shares rose 0.55 percent to $5.53 in pre-market trading.
Analysts at Bank of America upgraded Vipshop Holdings Ltd - ADR VIPS from Neutral to Buy. Vipshop shares gained 7.75 percent to $17.25 in pre-market trading.
Analysts at UBS upgraded Post Properties Inc PPS from Sell to Neutral. Post Properties shares gained 9.42 percent to close at $68.08 on Monday.
Analysts at Bank of America upgraded Patterson-UTI Energy, Inc. PTEN from Underperform to Neutral. Patterson-UTI Energy shares rose 1.10 percent to $20.31 in pre-market trading.