RATINGS CHANGES

Advanced Micro Devices (AMD - Get Report) was upgraded to buy from neutral at MKM Partners. $4 price target. China server joint venture should be a good opportunity, MKM said.

American Express (AXP - Get Report) was downgraded to hold from buy at Deutsche Bank. The valuation isn't attractive, based on a $66 price target, Deutsche said.

BB&T (BBT - Get Report) was upgraded to buy from hold at Deutsche Bank. The valuation is attractive, based on a $39 price target, Deutsche said.

Canadian Pacific Railway (CP) was upgraded to buy at TheStreet Ratings. You can view the full analysis from the report here: CP.

D.R. Horton (DHI - Get Report) was downgraded to neutral from buy at Sterne Agee. The valuation is less attractive, based on a $33 price target, Sterne said.

M&T Bank (MTB - Get Report) was downgraded to hold from buy at Deutsche Bank. $124 price target. The company trades at a premium valuation, Deutsche said.

Norfolk Southern (NSC - Get Report) was upgraded to outperform from neutral at Credit Suisse. $97 price target. The company can continue to cut costs and expand margins, Credit Suisse said.

Tempur Sealy (TPX - Get Report) was downgraded to neutral from outperform at Wedbush. $58 price target. The company is facing increased competition, Wedbush said.

United Continental (UAL - Get Report) was downgraded to neutral from buy at Sterne Agee. $56 price target. Earnings estimates were also cut, as the company is facing both revenue and cost challenges, Sterne said.

Yum! Brands (YUM - Get Report) was downgraded to hold at TheStreet Ratings. You can view the full analysis from the report here: YUM.

This article was written by a staff member of TheStreet.