Stock Upgrades Downgrades – CPN COLB LPX MR KWK ROSE VIA AEO DIOD GEN NNBR PANL

Analyst Actions for May 10

The day’s upgrades and downgrades were highlighted by big stock moves at Universal Panel, Diodes and Mindray Medical. Find all the day's stock upgrades and downgrades here below.

Relative Tickers: NYSE: CPN, Nasdaq: COLB, NYSE: LPX, NYSE: MR, NYSE: KWK, Nasdaq: ROSE, NYSE: VIA, NYSE: VIA-B, NYSE: AEO, Nasdaq: DIOD, NYSE: GEN, Nasdaq: NNBR, Nasdaq: PANL, NYSE: DIA, NYSE: SPY, Nasdaq: QQQQ, NYSE: DOG, NYSE: SDS, NYSE: QLD, NYSE: NYX, NYSE: ICE, Nasdaq: NDAQ

Upgrades and Downgrades – CPN COLB LPX MR KWK ROSE VIA, AEO DIOD GEN NNBR PANL

Upgrades:

Calpine
Calpine (NYSE: CPN) upgraded by Dahlman Rose to BUY from Hold. CPN shares were up less than a percent on the analyst action. Volume was about average for the day. CPN shares are just 50 cents or so short of their 52-week high.

Columbia Banking
Columbia Banking (Nasdaq: COLB) was upgraded to BUY from Hold by McAdams Wright Ragen. COLB shares were up more than 2% through midday on about twice average volume. COLB shares are trading about in the middle of their 52-week range.

Louisiana Pacific
Louisiana Pacific (NYSE: LPX) shares were upgraded to BUY from Neutral by DA Davidson. LPX shares were down more than a percentage point in the day’s trade despite the upgrade. LPX shares were trading at about twice average volume and lean closer to their 52-week low than high currently.

Mindray Medical
Mindray Medical (NYSE: MR) upgraded today to OUTPERFORM from Perform by Oppenheimer. MR shares were up more than 10% at publishing here on near 3 times average volume. The company also reported earnings this morning, noting exceptional revenue growth. The stock is at the center of its 52-week range.

Quicksilver Resources
Quicksilver Resources (NYSE: KWK) was upgraded today to BUY from Neutral by Global Hunter Securities. KWK shares were nearing average volume today, while up 1.5%. The stock is closer to the top of its 52-week range.

Rosetta Resources
Rosetta Resources (Nasdaq: ROSE) was upgraded today to BUY from Hold by Wunderlich. The stock is down 1.9%, after leading market gainers yesterday. The shares set their 52-week high yesterday, and were trading at slightly higher volume than average today, with several hours to go.

Viacom
Viacom (NYSE: VIA, NYSE: VIA-B) B shares were upgraded today to BUY from Hold by Argus. The shares were up less than a percentage, while common shares traded near 2% higher. Volume on the B shares was about half normal through 1:30 PM. Volume on common shares was above normal, and those shares were at their 52-week high.

Downgrades:

American Eagle Outfitters
American Eagle Outfitters (NYSE: AEO) shares were downgraded to NEUTRAL from Buy by Janney Montgomery Scott. AEO shares were down about a percentage point on about average volume. The shares were trading at about the center of their 52-week range.

Diodes
Diodes (Nasdaq: DIOD) was downgraded to MARKET PERFORM from Outperform by BMO Capital Markets. DIOD shares were down near 10% on more than twice average volume. The stock was still trading near its 52-week high. The company posted results yesterday.

GenOn Energy
GenOn Energy (NYSE: GEN) shares were downgraded to HOLD from Buy by Dahlman Rose. The stock was down about a half of a percentage point on less than average volume. GEN is trading closer to its 52-week low.

NN Inc.
NN Inc. (Nasdaq: NNBR) was downgraded to HOLD from Buy at KeyBanc Capital Markets. NNBR shares were down about a percentage point, but still far closer to their 52-week high. Volume was a bit more than average.

Universal Panel
Universal Panel (Nasdaq: PANL) was downgraded to HOLD from Buy at Canaccord Genuity. PANL shares were down 18% on four times normal volume. The stock was still in the upper third of its 52-week trading range.



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