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

NEW YORK ( TheStreet) -- CHANGE IN RATINGS

AK Steel ( AKS) upgraded at Dahlman Rose from Hold to Buy. $22 price target. Company is seeing higher volumes and is keeping a tight lid on costs.

Emerson Electric ( EMR) upgraded at Oppenheimer from Perform to Outperform, Oppenheimer said. $74 price target. Company continues to grow its business in the emerging markets.

First Solar ( FSLR) upgraded at Kaufman from Hold to Buy, Kaufman Bros. said. $165 price target. Stock is down 25% from January highs and the company will likely emerge as a clear winner in the solar industry.

Federal Signal ( FSS) downgraded at BMO from Outperform to Market Perform, BMO Capital said. Valuation call, based on a $7 price target.

Graphic Packaging ( GPK) rated new Buy at Goldman. $6.25 price target. Company is operating in a favorable price environment and is keeping a lid on its costs.

Graham Packaging ( GRM) downgraded at Goldman from Buy to Neutral, Goldman Sachs said. $24 price target. Valuation call, as the stock is up 38% over the past two weeks.

Helix Energy ( HLX) downgraded at Morgan Stanley to Equal-weight, Morgan Stanley said. $18 price target. Valuation call, as the stock is up 50% over the past three months.

Hospira ( HSP) downgraded at Citi to Sell from Hold. Solid 1Q11 upside and new $1 billion buyback program, Citigroup noted. Price target increased to $54 from $52.

Jacobs Engineering ( JEC) upgraded at BMO from Market Perform to Outperform, BMO Capital said. $60 price target. Company is seeing better demand from key end markets.

Lorillard ( LO) upgraded at Citi to Buy from Hold on strong 1Q11 results, improving fundamentals, Citigroup said. Price target jumps to $122 from $90.

Lexmark ( LXK) downgraded at Citi to Hold from Buy. Growth/margin trade-off yielding no EPS growth, Citigroup said. Price target cut to $36 from $55.

Lexmark ( LXK) downgraded at Brean from Buy to Hold, Brean Murray said. Company is facing new sales and margin headwinds.

Nokia ( NOK) rated new Hold at ThinkEquity. $8 price target. Company faces a long transition from its legacy Symbian products.

Northwest Bancshares ( NWBI) downgraded at FBR from Outperform to Market Perform, FBR Capital Markets said. Valuation call

Qualcomm ( QCOM) rated new Buy at ThinkEquity. $5 price target. Company is the best large-cap chip play on smartphones and tablets.

Roper Industries ( ROP) numbers boosted at Morgan Stanley. Shares of ROP now seen reaching $88, according to Morgan Stanley. Estimates also upped, as higher sales is driving margin expansion. Equal-weight rating.

Roper Industries ( ROP) downgraded at Oppenheimer from Outperform to Perform, Oppenheimer said. Valuation call.

Riverbed Technology ( RVBD) rated new Outperform at Morgan Keegan. $45 price target. Company is a market leader and is expanding its commercial footprint.

Safeway ( SWY) downgraded at Jefferies from Buy to Hold, Jefferies said. Store manager survey showed worsening near-term trends. $25 price target.

US Steel ( X) downgraded at Goldman from Buy to Neutral. $56 price target. Estimates also cut, to match the company's new guidance.

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

If you liked this article you might like

U.S. Steel Makes Significant Upside Breakout

U.S. Steel Makes Significant Upside Breakout

Dow and S&P 500 Finish Higher for Sixth Straight Day of Gains

Dow and S&P 500 Finish Higher for Sixth Straight Day of Gains

Closing Bell: LIVE MARKETS BLOG

Closing Bell: LIVE MARKETS BLOG

Steel Stocks Soar on Reports of Commerce Department Push for Steel Tariffs

Steel Stocks Soar on Reports of Commerce Department Push for Steel Tariffs

Big Pharma and the Sellers of Its Products Now Have a Problem

Big Pharma and the Sellers of Its Products Now Have a Problem