CHANGE IN RATINGS

Apple ( AAPL - Get Report) upgraded at Collins Stewart to Buy. Many near term catalysts such as the release of the iPhone in China and new product releases with competitive prices have led to the increase in numbers. Price target set at $170.

Barrick Gold ( ABX) upgraded at RBC from Sector Perform to Outperform. $47 price target. Company should benefit from higher gold prices and outperform its peers.

Aetna ( AET) downgraded at Credit Suisse to Underperform from Neutral Increasing costs and lowering 2009 EPS guidance led to the ratings cut. Decreased target price to $23 from $24.

Aetna ( AET) downgraded at Wachovia to Market Perform. Company cut its earnings guidance, because of higher commercial medical costs and lower Medicare revenue.

American Superconductor ( AMSC) downgraded at Morgan Stanley from Equal-weight to Underweight. Stock has gained 90% over the past quarter, and the company faces potential headwinds.

BB&T ( BBT - Get Report) upgraded at Keefe, Bruyette & Woods to Market Perform. Estimates cut to reflect the recent financing, though the company's capital structure is now stronger. $23 price target.

eBay ( EBAY - Get Report) upgraded at Collins Stewart to Buy. Indications are showing margin expansion and growth acceleration through the improvement of fundamentals on its website. Price target set at $23.

Roper Industries ( ROP - Get Report) upgraded at Oppenheimer from Perform to Outperform. $52 price target. Valuation call, as the company's earnings should hold up better than its peers this year.

Tyco Electronics ( TEL - Get Report) upgraded at Citigroup from Hold to Buy. $25 price target. Valuation call, based on recent cost-cutting efforts and market share gains.

Tenet Healthcare ( THC) upgraded at RBC from Underperform to Sector Perform. $3.50 price target. Company has re-financed its debt, and should be able to turn its business around.

Wynn Resorts ( WYNN) upgraded at Keybanc to Hold from Underweight. A stable balance sheet and cashflow along with an attractive valuation has led to the increase in ratings. Has reached its price target of $38 which was set on May 5th, 2009.

STOCK COMMENTS / EPS CHANGES

Brocade ( BRCD) cut from Conviction List at Goldman. Stock lacks near-term catalysts, and has already gained 61% since April 21. Maintain Buy rating.

Cardinal Health ( CAH) target lowered at Credit Suisse to $39 from $48 based on a negative outlook and lowered guidance. Maintained Outperform rating.

Cardinal Health ( CAH) numbers cut at Barclays through 2010. Company warned of lower earnings, based on its spin-off. Overweight rating and new $36 price target.

Dish Network ( DISH) estimates, target lowered at Barclays to $18. Estimates also cut, to reflect the trial loss to TIVO. Overweight rating.

Express Scripts ( ESRX) numbers raised at Merrill/BofA to $76. Estimates also increased, to reflect the recent deal financing. Buy rating.

Ford ( F - Get Report) estimates raised at Citigroup through 2010. Company raised its production schedule after higher May sales. Sell rating and $2 price target.

FedEx ( FDX) estimates cut at Morgan Stanley because of higher fuel prices. Equal-weight rating.

Hovnanian ( HOV) target increased at Credit Suisse to $2.00 from 50 cents. Substantial debt repurchases, an increase in orders, and reducing interest payments prompted the increase in numbers. Maintained Neutral rating.

JetBlue ( JBLU) estimates through 2010, target reduced at UBS. Financing is dilutive to profit. Neutral rating and new $5.25 price target.

Johnson Controls ( JCI) target raised at Barclays to $19. Company should benefit from higher demand for Lithium-Ion batteries. Equal-weight rating.

Mattel ( MAT) target raised at UBS to $16. Company should benefit from a stabilization of the US economy. Neutral rating.

Medtronic ( MDT) target raised at Credit Suisse to $39. Company held a strong investor meeting, and market expectations remain low. Neutral rating.

Mosaic ( MOS) estimates cut through 2010 at UBS. Company is seeing near-term DAP pricing pressure, especially if China increases exports. Buy rating and $63 price target.

Noble Energy ( NBL) target increased at Barclays to $65. Company remains on track to double its production over the next 5 years. Overweight rating.

Pepsi Bottling Group ( PBG) target raised at Credit Suisse to $35 from $24 following a raise of full year guidance and expectations of a deal with Pepsi. Maintained Neutral rating.

Philip Morris ( PM) numbers raised at Morgan Stanley to $54. Estimates also boosted, to reflect the weak US dollar. Overweight rating.

Sunpower ( SPWR) target raised at Barclays to $25. Meeting with management suggested that rooftop markets could be improving in the U.S. and Germany. Equal-weight rating.

UPS ( UPS) estimates raised at Morgan Stanley because of the weaker dollar. Underweight rating.

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