Wall St. Watchdog reveals information about companies for which stock analysts either upgraded or downgraded the shares in January:

Upgrades

Nuance Communications (NASDAQ:NUAN): Longbow upgraded its rating on this company from Neutral to Buy and changed its price target to $35.

Ciena (NASDAQ:CIEN): Northland Securities upgraded its rating on this company from Market Perform to Outperform and changed its price target from $12.5 to $20.

Mattson (NASDAQ:MTSN):  Needham upgraded its rating on this company from Hold to Buy and changed its price target to $3.

Titan Intl (NYSE:TWI): Oppenheimer upgraded its rating on this company from Perform to Outperform and changed its price target to $30.

Downgrades

CEMEX S.A. (NYSE:CX): Barclays Capital downgraded its rating on this company from Overweight to Equal Weight and changed its price target from $6 to $7.

Freeport-McMoRan (NYSE:FCX): Standpoint Research downgraded its rating on this company from Buy to Hold.

Diamond Foods (NASDAQ:DMND):  KeyBanc Capital Mkts downgraded its rating on this company from Buy to Hold.

PNC (NYSE:PNC): Standpoint Research downgraded its rating on this company from Buy to Hold.

Ultra Petroleum (NYSE:UPL):  Stifel Nicolaus downgraded its rating on this company from Buy to Hold.

Xueda Education (NYSE:XUE): Robert W. Baird downgraded its rating on this company from Outperform to Neutral and changed its price target from $5 to $4.

Wisconsin Energy (NYSE:WEC): Robert W. Baird downgraded its rating on this company from Outperform to Neutral and changed its price target to $35.

UIL Holdings (NYSE:UIL): Robert W. Baird downgraded its rating on this company from Outperform to Neutral and changed its price target to $35.

Hawaiian Electric (NYSE:HE): Robert W. Baird downgraded its rating on this company from Outperform to Neutral and changed its price target to $28.

Alliant Energy (NYSE:LNT): Robert W. Baird downgraded its rating on this company from Outperform to Neutral and changed its price target to $28.

Xcel Energy (NYSE:XEL): Robert W. Baird downgraded its rating on this company from Outperform to Neutral and changed its price target to $27.

Akamai Tech (NASDAQ:AKAM): DA Davidson downgraded its rating on this company from Buy to Neutral and changed its price target to $36.

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