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

NEW YORK (

TheStreet

) --

CHANGE IN RATINGS

The AES Corp.

(AES) - Get Report

was upgraded at Citigroup to Buy from Hold as management tends to sharpen its international development, Citigroup said. Price target raised to $16 from $14.

Gap

(GPS) - Get Report

was downgraded at Piper Jaffray from Overweight to Neutral. $19 price target. Margins remain under pressure, as the company is facing higher costs, Piper Jaffray said.

Intuit

(INTU) - Get Report

was downgraded at Canaccord Genuity from Buy to Hold. Valuation call, based on a $57 price target, Canaccord said.

Knight Transportation

(KNX) - Get Report

was downgraded at Wells Fargo from Outperform to Market Perform. Estimates were also cut, as the company is facing cost headwinds, Wells Fargo said.

Leap Wireless

(LEAP)

was downgraded at JP Morgan from Overweight to Neutral. $16 price target. Company is facing slower business, as usual, in the summer, JP Morgan said.

Patterson Dental

(PDCO) - Get Report

was downgraded at UBS from Buy to Neutral. $37 price target. Valuation call, as the stock has outperformed since January, UBS said.

Sprint Nextel

(S) - Get Report

was upgraded at Piper Jaffray to Overweight from Neutral. Operational trends are improving, Piper Jaffray said. $6.50 price target.

Tyson Foods

(TSN) - Get Report

was upgraded at Keybanc from Hold to Buy. $23 price target. Earnings have yet to peak, Keybanc said.

WebMD

(WBMD)

was upgraded at Goldman Sachs to Buy. $60 price target. The stock is down 20% on regulatory confusion, which should pass, Goldman said.

End of report.

This article was written by a staff member of TheStreet.