Owens-Corning ( OC) was upgraded to buy at TheStreet Ratings.

Origin Agritech ( SEED) was initiated with a sell rating at TheStreet Ratings.

Oasis Petroleum ( OAS) was upgraded at Canaccord Genuity to buy. Twelve-month price target is $55. Valution call, as inventory has increased, Canaccord Genuity said.

Starbucks (SBUX) was upgraded at Wells Fargo to outperform from market perform. Company appears to be entering a new era of growth, Wells Fargo said.

Spirit Aerosystems (SPR) was downgraded at Keybanc to hold from buy. Company continues to announce more charges for restructuring, Keybanc said.

Towers Watson (TW) was upgraded at J.P. Morgan to overweight. Active exchange enrollments can accelerate, J.P. Morgan said.

Walgreen (WAG) was initiated with an outperform rating at Leerink Swann. Twelve-month price target is $68. Retail pharmacy checks have been positive and the company is leveraged to industry growth tailwinds, Leerink Swann said.

WEX (WEX) was upgraded at J.P. Morgan to neutral. Valuation call, following the company's new guidance, J.P. Morgan said.

Stock Comments / EPS Changes

Advance Auto Parts (AAP) price target, EPS estimates were lifted at UBS. Core execution improving with revenue synergies set to take hold after weather-driven tailwinds, UBS said. Twelve-month price target of $145. Buy rating.

AOL (AOL) estimates, price target were raised at UBS. Twelve-month price target is now $54. Driven by strength in Brand Group margins, strong 3rd Party Networks growth and low churn in Subscription business, UBS said. Buy rating.

Activision Blizzard (ATVI) price target was increased at Jefferies. Upcoming product releases have high upside, Jefferies said. Twelve-month price target is $25.

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