NEW YORK (TheStreet) -- RATINGS CHANGES

Community Health (CYH - Get Report) was downgraded to sector weight by Keybanc, which cited valuation, saying the company has limited earnings upside.

Dean Foods (DF - Get Report) was upgraded to buy from hold by Deutsche Bank, which set a $19 price target, saying that it is more optimistic about the DairyPure national milk brand opportunity and continued cost savings.

Ethan Allen (ETH - Get Report) was upgraded to buy by TheStreet Ratings. You can view the full analysis from the report here: ETH Ratings Report.

Frontier Communications (FTR - Get Report) was upgraded to buy from hold by Jefferies, which set a $6 price target, saying that the company is well positioned financially and does not face the same dividend risk that some of its peers must confront.

General Motors (GM - Get Report) was downgraded to equal-weight from overweight by Barclays, which set a $36 price target, saying the company is leveraged to weaker demand from China.

Google (GOOGL - Get Report) was upgraded to outperform from market perform by BMO Capital, which set a $670 price target, saying the company should realize higher margins over the coming quarters.

Hi-Crush Partners (HCLP) was downgraded to hold from buy by Jefferies, which set a $26 price target, saying the company has noted that it has seen some of the same negative mix shift related to pricing, including some customer consolidation, relative preference for finer sands (higher mesh size).

Intel (INTC - Get Report) was upgraded to hold from sell by Ascendiant Capital Markets, which set as $31 price target. While computing trends have been incrementally bearish, Intel's second-quarter results were marginally better than expected, with most negative investor sentiment likely already reflected in the company's shares, Ascendiant said.

Intel (INTC - Get Report) was upgraded to buy from hold by Needham, which set a $37 price target, saying the company is offsetting PC weakness with other businesses.

Malvern Bancorp (MLVF - Get Report) was downgraded to hold by TheStreet Ratings. You can view the full analysis from the report here: MLVF Ratings Report.

Norfolk Southern (NSC - Get Report) was downgraded to equal-weight from overweight and given a $91 price target by Barclays, which said the company is leveraged to lower coal demand.

Paychex (PAYX - Get Report) was downgraded to neutral from buy by Goldman Sachs, which set a $52 price target, saying that the employment recovery has played out.

Pinnacle Foods (PF) was downgraded to hold from buy by Deutsche Bank, which set a $45 price target, saying that there is some risk to fundamentals and that Pinnacle's valuation is stretched.

Universal Health Services (UHS - Get Report) was downgraded to sector weight by Keybanc, which cited valuation, saying the stock is up 92% since last March.

Walgreens Boots (WBA - Get Report) was upgraded to outperform from neutral by Credit Suisse, which set a $110 price target. Estimates have also been increased, as the company is cutting more costs, Credit Suisse said.

Werner (WERN - Get Report) was upgraded to outperform from market perform by Wells Fargo, which cited valuation, saying the group has lagged the market year to date.

Weyerhaeuser (WY - Get Report) was downgraded to neutral from buy by Bank of America/Merrill Lynch, which said that analysts' expectations may be too high, given lower lumber prices on the West Coast.