RATINGS CHANGES

Alcoa (AA - Get Report) was upgraded to outperform from market perform at BMO Capital. $45 price target. The stock price is not factoring in higher commodity prices, BMO said. 

Amazon (AMZN - Get Report) was initiated with a buy rating at Loop Capital. $1,100 price target. The company has a runway for continued solid growth and can ultimately spin off its web services business, Loop said.

Alphabet (GOOGL - Get Report) was initiated with a hold rating at Loop Capital. $800 price target. The company will likely face pricing and cost pressures from transitioning to mobile, Loop said. 

Hubspot (HUBS - Get Report) was upgraded to buy from neutral at BTIG. $73 price target. The company should see great revenue retention and lower customer acquisition costs, BTIG said. 

Jeld-Wen (JELD - Get Report) was downgraded to neutral from outperform at Wedbush. $34 price target. The valuation is less attractive, as the stock is up 44% since its IPO 14 months ago. 

Owens Corning (OC - Get Report) was upgraded to outperform from neutral at Wedbush. $72 price target. Consumer confidence and inflation are rising and the residential housing market is improving, Wedbush said. 

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

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

Snap (SNAP - Get Report) was initiated with a market perform rating at Wells Fargo. The valuation it carries comes with an overly optimistic outlook, Wells said. 

This article was written by a staff member of TheStreet.