NEW YORK (

TheStreet

) --

CHANGE IN RATINGS

Alberto-Culver

(ACV) - Get Report

was upgraded from Neutral to Buy, Goldman Sachs said. $33 price target. Company is an attractive late-cycle consumer play.

Adtran

(ADTN) - Get Report

was initiated with an Equal-weight rating, Morgan Stanley said. Stock is already pricing demand from the broadband stimulus.

Amgen

(AMGN) - Get Report

was upgraded from Hold to Buy, Citigroup said. Valuation call, based on a $64 price target. Company has several potential catalysts.

Associated Banc-Corp

(ASBC)

was upgraded from Neutral to Outperform, Robert Baird said. $17 price target. Weakness has created a good buying opportunity.

Bucyrus

( BUCY) was upgraded from Neutral to Outperform, Robert Baird said. $83 price target. Stock has lagged over the past month, and the Terex Mining acquisition should prove successful.

The Street Ratings

Top Rated Stocks by Industry

CME Group

(CME) - Get Report

was started with an Outperform rating, JMP Securities said. $335 price target. Volumes should recover from trough levels seen in the first quarter.

Dell

(DELL) - Get Report

: Coverage of DELL was started with a Buy rating, Brean Murray said. $18 price target. Pullback has created a buying opportunity, as the company has earnings upside potential.

Hewlett-Packard

(HPQ) - Get Report

was initiated with a Buy rating, Brean Murray said. $60 price target. Recent weakness in the stock has created a buying opportunity. See upside potential to 2010 consensus expectations.

Intercontinental Exchange

(ICE) - Get Report

was initiated with an Outperform rating, JMP Securities said. $120 price target. Overall volumes should recover from trough levels.

Iron Mountain

(IRM) - Get Report

was upgraded from Equal-weight to Overweight, Morgan Stanley said. $31 price target. Nationwide survey confirms the company's market leadership.

Allscripts Healthcare

(MDRX) - Get Report

was upgraded from Hold to Buy, Jefferies said. $25 price target. Company is likely to gain market share in the physician segment.

McAfee

( MFE) was downgraded from Overweight to Equal-weight, Morgan Stanley said. $43.50 price target. Recent survey suggests lower consumer growth.

Knight Capital

(NITE)

was upgraded from Market Perform to Outperform, Keefe, Bruyette & Woods said. $18 price target. Risk/reward has become more attractive, with the stock trading down around book value.

PPL

(PPL) - Get Report

was upgraded from Hold to Buy, Citigroup said. $30.50 price target. Company has a solid dividend yield and should benefit from better pricing.

Tivo

(TIVO) - Get Report

was downgraded from Buy to Hold, Kaufman Bros. said. Best case legal scenario at this point is a one-year delay in the company's settlement.

Tellabs

( TLAB) was initiated with an Overweight rating, Morgan Stanley said. $11 price target. Mobile backhaul investments should drive double-digit sales growth this year.

URS

(URS)

was upgraded to Outperform, BMO Capital Markets said. $58 price target. Company has a solid order backlog.

Warner Chilcott

(WCRX)

was upgraded from Hold to Buy, Jefferies said. $30 price target. Stock is trading at a discount to its peers and Asacol conversion has also picked up.

Washington Federal

was upgraded to Outperform from Market Perform, Keefe, Bruyette & Woods said. Valuation call, based on a $23 price target.

This article was written by a staff member of TheStreet.com.