RATINGS CHANGES

Community Health Systems (CYH) - Get Report was downgraded to sell at TheStreet Ratings. You can view the full analysis from the report here: CYH.

Genuine Parts (GPC) - Get Report was downgraded to neutral from outperform at Wedbush Securities. $91 price target. The company is facing a challenging outlook, Wedbush said. 

Hormel (HRL) - Get Report was downgraded to hold at Jefferies. The valuation isn't as attractive, as the company is trading at a 40% premium to its peers. $43 price target, Jefferies said. 

LPL Financial (LPLA) - Get Report was upgraded to neutral from sell at Citigroup. The valuation is more attractive, based on a $20 price target, Citigroup said. 

Rackspace (RAX) was downgraded to neutral from outperform at Credit Suisse. $22 price target. Earnings estimates were also cut, given a slower business transition, Credit Suisse said. 

Rackspace was downgraded to sector weight from overweight at Pacific Crest. The company disappointed with its 2016 guidance, Pacific Crest said. 

Rackspace was downgraded to equal weight at Barclays. $21 price target. The timing of longer term opportunities is under question, Barclays said. 

Summit Materials (SUM) - Get Report was upgraded to buy at Citigroup. The valuation is more attractive, based on a $21 price target. 

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

Whole Foods Market (WFM) was initiated with a market perform rating at Wells Fargo. Uncertainty remains around the timing and impact of operating initiatives, Wells said. 

This article was written by a staff member of TheStreet.