Analysts at Jefferies upgraded rue21 (NASDAQ:

) from “hold” to “buy.” rue21's shares closed at $26.88 on Friday. rue21's PEG ratio is 0.74. Analysts at Wunderlich Securities upgraded Marten Transport (NASDAQ:

) from “hold” to “buy.” Marten Transport's stock closed at $17.67 on Friday. Marten Transport had $5.25 million in total cash for the latest quarter. Analysts at Susquehanna upgraded The Madison Square Garden Company (NYSE:

) from “negative” to “neutral.” Madison Square Garden's shares closed at $41.41 on Friday. Madison Square Garden's trailing-twelve-month revenue is $1.28 billion. SunTrust upgraded Key Energy Services (NYSE:

) from “neutral” to “buy.” Key Energy's shares closed at $8.55 on Friday. Key Energy's trailing-twelve-month ROE is 12.58%.