Sanderson Farms Inc (NASDAQ:

) was upgraded by Jefferies from "hold" to "buy." SAFM's shares closed at $45.09 yesterday. Sanderson Farms' trailing-twelve-month revenue is $1.93 billion. Wells Fargo upgraded Southern Union Company (NYSE:

) from “market perform” to “outperform.” SUG's shares closed at $27.49 yesterday. Southern Union's trailing-twelve-month operating margin is 18.50%. FBR Capital upgraded Intel Corporation (NASDAQ:

) from “market perform” to “outperform.” INTC's shares closed at $19.86 yesterday. Intel's PEG ratio is 0.82. Analysts at RBC Capital upgraded Noble Corporation (NYSE:

) from “sector perform” to “outperform.” NE's shares closed at $42.59 yesterday. Noble's trailing-twelve-month operating margin is 32.63%.