RATING CHANGES

Avago Technologies (AVGO - Get Report) was upgraded to top pick from outperform at RBC Capital Markets. $170 price target. The company is positioned to outperform in 2016 and beyond, RBC said. 

Alibaba (BABA - Get Report) was upgraded to hold at TheStreet Ratings. You can view the full analysis from the report here: BABA.

Ciena (CIEN - Get Report) was upgraded to buy from hold at Jefferies. The valuation looks attractive based on its $25 price target, Jefferies said. 

General Dynamics (GD - Get Report) was upgraded to buy from hold at Drexel Hamilton. The valuation looks attractive based on its $153 price target, Drexel said. 

Joy Global (JOY) was upgraded to market perform from underperform at FBR Capital Markets. $10 price target. The valuation looks more attractive, as guidance for 2016 will likely prove conservative, FBR said. 

Kennametal (KMT - Get Report) was downgraded to sell at TheStreet Ratings. You can view the full analysis from the report here: KMT.

Tiffany (TIF - Get Report) was upgraded to buy from hold at Jefferies. $100 price target. The company should see sales and margin tailwinds, Jefferies said. 

Wabtec  (WAB - Get Report) was upgraded to buy from hold at Stifel Nicolaus. $88 price target. The valuation looks more attractive, given that the stock is down 21% on the year, Stifel said.

This article was written by a staff member of TheStreet.