Must Know Stock Upgrades and Downgrades Today

Wall St. Watchdog reveals information about companies for which stock analysts either upgraded or downgraded the shares on May 24th.

Upgrades

Westlake Chemical (NYSE:WLK): UBS upgraded its rating on this company from Sell to Neutral and changed its price target to $54.

Duke Energy (NYSE:DUK): UBS upgraded its rating on this company from Neutral to Buy and changed its price target from $22 to $24.

Assured Guaranty (NYSE:AGO): UBS upgraded its rating on this company from Neutral to Buy and changed its price target to $18.

Trina Solar (NYSE:TSL): Maxim Group upgraded its rating on this company from Sell to Hold.

Retalix (NASDAQ:RTLX): Oppenheimer upgraded its rating on this company from Perform to Outperform and changed its price target from $18 to $25.

Downgrades

Wisconsin Energy (NYSE:WEC): UBS downgraded its rating on this company from Buy to Neutral and changed its price target to $38.

MediciNova (NASDAQ:MNOV): MLV & Co downgraded its rating on this company from Buy to Hold.

NetApp (NASDAQ:NTAP): Brean Murray downgraded its rating on this company from Buy to Hold.

Alere (NYSE:ALR): Capstone Investments downgraded its rating on this company from Buy to Hold and changed its price target to $32.

Ituran Location and Control (NASDAQ:ITRN): Oppenheimer downgraded its rating on this company from Outperform to Perform and changed its price target to $16 >>.

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