NEW YORK ( TheStreet) -- CHANGE IN RATINGSAdvanced Micro Devices ( AMD) downgraded to sell at TheStreet Ratings. Accuray ( ARAY) upgraded to hold at TheStreet Ratings. Apollo ( APOL) downgraded at Deutsche from Hold to Sell, Deutsche Bank said. $25 price target. Company is facing increased competitive pressures. Carefusion ( CFN) rated new Buy at ThinkEquity. $30 price target. Company can continue to deliver solid organic growth over the next few quarters. Chemtura ( CHMT) rated new Buy at Lazard. $25 price target. Company is positioned well to deliver solid margin growth. Denbury Resources ( DNR) upgraded at Sterne Agee to Buy, Sterne Agee said. $20 price target. Company is leveraged to higher gulf coast crude pricing. DSW ( DSW) rated new Neutral at Credit Suisse. Valuation call, based on a $70 price target. First Horizon ( FHN) downgraded at Guggenheim to Neutral, Guggenheim said. Valuation call, as the stock is up 10% since May. Foot Locker ( FL) rated new Outperform at Credit Suisse. $43 price target. Company is carrying a lot of sales momentum into the second half of the year. Green Mountain ( GMCR) rated new Buy at Lazard. $39 price target. K-Cup should continue to drive growth over the next several quarters. Gartner ( IT) downgraded at Lazard from Buy to Neutral, Lazard said. Valuation call, as the stock is up 47% year-to-date. Jacobs Engineering ( JEC) downgraded at Lazard from Buy to Neutral, Lazard said. Valuation call, as the company will likely struggle to expand its multiple. Nvidia ( NVDA) downgraded at Cantor from Buy to Hold, Cantor Fitzgerald said. $13.50 price target. Company is leveraged to slower growth in the PC market. Priceline.com ( PCLN) upgraded at Nomura from Neutral to Buy, Nomura said. $740 price target. Company should continue to expand its reach across the globe in the coming quarters. Packaging Corp. ( PKG) upgraded at Goldman from Sell to Neutral, Goldman Sachs said. Company is leveraged to higher containerboard prices. Patterson-UTI ( PTEN) upgraded at BMO from Underperform to Outperform, BMO Capital said. $20 price target. Consensus earnings expectations have come down to a more reasonable level. Rock-Tenn ( RKT) upgraded at Goldman from Neutral to Buy, Goldman Sachs said. Stock was also placed on the Conviction List. $83 price target. Company is leveraged to higher containerboard prices.