RATINGS CHANGES

Astoria Financial (AF) was upgraded to buy at TheStreet Ratings. You can view the full analysis from the report here: AF.

Chipotle Mexican Grill (CMG - Get Report) was downgraded to sell from hold by Maxim Group. $350 price target. Positive comp-store sales and margin expansion will likely not occur until 2017, Maxim said. 

Cisco Systems (CSCO - Get Report) was initiated with an outperform rating at RBC Capital Markets. $31 price target. The company is a market leader with a solid balance sheet and can continue to grow, RBC said. 

Estee Lauder (EL - Get Report) was downgraded to neutral from buy at Goldman Sachs. The valuation isn't as attractive, based on a $98 price target, Goldman said. 

Kellogg (K - Get Report) was upgraded to neutral from sell at Goldman Sachs. The company can expand margins by 500 basis points by 2018, Goldman said. 

Legg Mason (LM - Get Report) was upgraded to outperform from neutral at Credit Suisse. $49 price target. The valuation is more attractive, as the company is trading at a 35% discount to its peers, Credit Suisse said. 

Mead Johnson (MJN) was upgraded to outperform from neutral at Credit Suisse. $100 price target. The company is expanding margins and is also a potential takeover target, Credit Suisse said. 

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

PulteGroup (PHM - Get Report) was downgraded to underperform from neutral at Bank of America/Merrill Lynch. The valuation isn't as attractive, based on an $18 price target, analysts said. 

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

West (WSTC) was downgraded to underweight at Barclays. $21 price target. The legacy business issues will likely linger, Barclays said.

This article was written by a staff member of TheStreet.