NEW YORK (TheStreet) -- RATINGS CHANGES

DreamWorks Animation (DWA) was downgraded at Topeka Capital to sell from hold. Twelve-month price target is $17. Company is seeing materially lower box office results, Topeka Capital said.

Loews (L) was downgraded to hold at TheStreet Ratings. You can view the full analysis from the report here: L Ratings Report

Lululemon (LULU - Get Report) was upgraded at Wells Fargo to outperform from market perform. Estimates were also upped, as merchandise margins appear to be at an inflection point, Wells Fargo said.

Nabors Industries (NBR - Get Report) was downgraded at Jefferies to hold from buy. Twelve-month price target was lowered to $12 from $23 on lower oil prices, Jefferies said.

Oceaneering International (OII) was downgraded at Jefferies to hold from buy. Twelve-month price target was lowered to $68 on lower oil prices, Jefferies said.

Schlumberger (SLB - Get Report) was downgraded at Jefferies to hold from buy. Twelve-month price target was lowered to $90 from $119 on lower oil prices, Jefferies said.

Servotronics (SVT) was downgraded to sell at TheStreet Ratings. You can view the full analysis from the report here: SVT Ratings Report

Walgreen (WAG) was downgraded at Mizuho to neutral from buy. Valuation call, based on a $72 price target, Mizuho said.

Editor's note: To see analysts' stock comments and changes to price targets and earnings estimates, go to "Street Notes," which is available only to Real Money subscribers. To find out how to become a subscriber, please click here.

Follow TheStreet on Twitter and become a fan on Facebook.

This article was written by a staff member of TheStreet.