Editor's Note: Green and red arrows refer to intraday stock price movement.

NEW YORK ( TheStreet) -- CHANGE IN RATINGS

Century Aluminum ( CENX) was upgraded at Goldman Sachs from Sell to Neutral. Valuation call, Goldman said.

Cognex ( CGNX) was downgraded at Piper Jaffray from Overweight to Neutral. Large deals still likely slow to close, Piper Jaffray said.

Columbia Sportswear ( COLM) was rated new Market Perform at FBR Capital Markets. Valuation call, based on a $61 price target, FBR said.

D.R. Horton ( DHI) was upgraded at UBS from Neutral to Buy. $13 price target. Operating acumen offers downside protection, UBS said.

Cedar Fair ( FUN) was upgraded at KeyBanc from Hold to Buy. $25 price target. Company has maintained operational momentum and has several near-term catalysts, KeyBanc said.

Lennar ( LEN) was upgraded at UBS from Neutral to Buy. $21 price target. Opportunities arise as the new-home market bottoms, UBS said.

Nu Skin ( NUS) was upgraded at Wedbush Securities from Neutral to Outperform. $48 price target. New product launches should help drive growth into 2012, Wedbush said.

Onyx Pharmaceuticals ( ONXX) was rated new Hold at Brean Murray Carret & Co. Strong growth in Japan has leveled off, Brean Murray said.

Reliance Steel ( RS) was upgraded to Buy at Goldman Sachs. Service center stocks should outperform in the current environment.

Steel Dynamics ( STLD) was downgraded at Goldman Sachs from Buy to Neutral.

Worthington Industries ( WOR) was downgraded at Goldman Sachs from Neutral to Sell. Valuation call, Goldman said.

End of report
This article was written by a staff member of TheStreet.

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