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

NEW YORK (

TheStreet

) --

CHANGE IN RATINGS

Aruba Networks

(ARUN)

upgraded at BMO from Underperform to Market Perform. $20 price target. Valuation call.

BlackRock

(BLK) - Get Report

rated new Hold at Jefferies. $177 price target. Organic growth has, and continues to be volatile.

Cloud Peak Energy

(CLD) - Get Report

upgraded at Dahlman Rose from Hold to Buy. $24 price target. Volumes should begin to gradually improve.

First Solar

(FSLR) - Get Report

upgraded at Collins Stewart from Neutral to Buy. Valuation call, based on a $132 price target.

Starwood Hotels

(HOT)

downgraded at Morgan Stanley from Overweight to Equal-weight. $47 price target. High European exposure and view that near term catalysts unlikely to materialize.

Janus Capital

(JNS)

rated new Buy at Jefferies. $8 price target. Believe company is receiving no credit for value of subsidiaries and overall retail brand.

Regeneron Pharmaceuticals

(REGN) - Get Report

downgraded at Citigroup from Buy to Hold. $60 price target. Valuation constraints.

Research In Motion

( RIMM) upgraded at Sterne Agee from Neutral to Buy. $35 price target. Concerned about longer term fundamentals, but near term catalysts present.

Waddell & Reed

(WDR) - Get Report

rated new Buy at Jefferies. $34 price target. Company poised to grow with unique product makeup.

End of report.

This article was written by a staff member of TheStreet.