RATINGS CHANGES 

Alcoa (AA - Get Report) was downgraded to hold from buy at Argus. The company is facing challenges from slumping commodity prices and a slowdown in China, Argus said. 

BankUnited (BKU - Get Report) was upgraded to outperform from market perform at BMO Capital. The valuation is more attractive, based on a $40 price target, BMO said. 

Disney (DIS - Get Report) was initiated with a buy rating at Drexel Hamilton. $117 price target. The company has big brands and can better monetize Marvel content, Drexel Hamilton said. 

East West Bancorp (EWBC - Get Report) was upgraded to outperform from market perform at BMO Capital. The valuation is more attractive, based on a $46 price target. 

F5 Networks (FFIV - Get Report) was downgraded to underweight from equal weight at Barclays. $98 price target. the core ADC market is slowing, Barclays said. 

Hilton (HLT - Get Report) was downgraded to sell from buy at MKM Partners. $16 price target. The business cycle could postpone potential spinoffs, MKM said. 

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

Marriott (MAR - Get Report) was downgraded to neutral from buy at MKM Partners. $61 price target. The company faces near-term headwinds, MKM said. 

Morgan Stanley (MS - Get Report) was downgraded to sell from hold at Societe Generale. $27 price target. The returns will likely fall short of expectations, SocGen said. 

Netflix (NFLX - Get Report) was initiated with a buy rating at Drexel Hamilton. $150 price target. The company should benefit from price increases and international expansion, Drexel Hamilton said. 

Nvidia (NVDA - Get Report) was downgraded to underweight at Barclays. $25 price target. The valuation is not as attractive, after the stock's 64% gain in 2015, said Barclays. 

PacWest (PACW - Get Report) was downgraded to market perform from outperform at BMO Capital. $41 price target. The company has relatively high credit risk, BMO said. 

Paccar (PCAR - Get Report) was downgraded to hold at TheStreet Ratings. You can view the full analysis from the report here: PCAR.

Supervalu (SVU) was downgraded to hold at Deutsche Bank. $6 price target. Fundamentals are shaky at all three segments, Deutsche said. 

U.S. Bancorp (USB - Get Report) was upgraded to outperform from neutral at Deutsche Bank. The valuation is attractive, based on a $45 price target. 

This article was written by a staff member of TheStreet.