Fluor Corporation (NYSE:

) was upgraded by BMO Capital from "underperform" to "market perform." FLR's shares closed at $68.39 yesterday. Fluor's trailing-twelve-month revenue is $21.06 billion. Nomura upgraded Discover Financial Services (NYSE:

) from "neutral" to "buy.” DFS' shares closed at $21.00 yesterday. DFS' trailing-twelve-month operating margin is 38.03%. BofA/Merrill upgraded Saks Incorporated (NYSE:

) from “underperform” to “neutral.” SKS' shares closed at $11.86 yesterday. Saks' trailing-twelve-month revenue is $2.73 billion. Analysts at Canaccord upgraded Chesapeake Energy Corporation (NYSE:

) from “hold” to “buy.” CHK's shares closed at $34.33 yesterday. Chesapeake Energy's trailing-twelve-month revenue is $9.61 billion.