NEW YORK (TheStreet) -- RATINGS CHANGES

Barnes & Noble (BKS) was downgraded to hold by TheStreet Ratings. You can view the full analysis from the report here: BKS Ratings Report.

Chesapeake Energy (CHK - Get Report) was upgraded to buy from underperform by Sterne Agee, which set a $13 price target, saying sentiment will likely reverse in the near term. Estimates were also increased, as management is cutting costs, Sterne Agee said.

JPMorgan Chase (JPM - Get Report) was downgraded to outperform from perform by Oppenheimer, which cited valuation, as the price has outpaced industry fundamentals.

Macy's (M) was downgraded to sell from buy by Deutsche Bank, which set a $63 price target, saying that sales will likely remain muted and that the company is facing rising operating costs.

MBIA (MBIA) was downgraded to buy from neutral by BTIG, which noted that the company has over $4 billion of exposure to Puerto Rico debt.

Qualcomm (QCOM - Get Report) was downgraded to sell from hold by Drexel Hamilton, which set a $55 price target, saying the company is facing increased price competition.

Ryder (R - Get Report) was raised to buy from hold by Stifel, which set a $104 price target, saying the company can increase its market share and improve its operating leverage.

SunTrust (STI - Get Report) was downgraded to perform from outperform by Oppenheimer, which said the stock has run, but industry fundamentals remain muted.

Synaptics (SYNA - Get Report) was upgraded to outperform from perform by Oppenheimer, which set a $105 price target, saying the stock appears oversold on speculation that Apple (AAPL - Get Report) could replace the company with in-house technology.

Worthington Industries (WOR - Get Report) was upgraded to buy by TheStreet Ratings. You can view the full analysis from the report here: WOR Ratings Report.