NEW YORK (TheStreet) -- RATINGS CHANGES

Lululemon Athletica (LULU - Get Report) was upgraded to buy at TheStreet Ratings. You can view the full analysis from the report here: LULU Ratings Report.

Men's Wearhouse (MW) was upgraded to buy at TheStreet Ratings. You can view the full analysis from the report here: MW Ratings Report.

Perfect World (PWRD) was downgraded to sector perform from outperform at Pacific Crest. Third-quarter results were mixed with gross margins and ASU trends worsening, Pacific Crest said.

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This article was written by a staff member of TheStreet.