NEW YORK ( TheStreet) -- CHANGE IN RATINGSAdvanced Micro ( ADM) downgraded at FBR from Outperform to Market Perform. $11 price target. Macro risks could hurt PC sales. ConocoPhillips ( COP) upgraded at BofA/Merrill COP upgraded to Neutral from Sell on 2Q10 EPS beat. Accelerated sale of its entire Lukoil stake leads us to neutralize our negative view. Maintain $61 price target. Citrix Systems ( CTXS) upgraded at Baird from Neutral to Outperform. $60 price target. XenDesktop demand continues to accelerate. Citrix Systems ( CTXS) upgraded at Citi to Hold from Sell. Acceleration in desktop license removes a major concern. Price target increased to $49 from $39. CVS Caremark ( CVS) downgraded at BofA/Merrill to Neutral from Buy on weak 2Q10 results. Missed on revenue and profitability. Price target reduced to $34 from $40. CVS Caremark ( CVS) estimates lowered at UBS through 2011. Company is seeing lower retail sales and dilution from the AET deal. Buy rating and $46 price target. DST Systems ( DST) upgraded at Baird from Neutral to Outperform. $50 price target. Business trends are improving, which could lead to future earnings upside. Equinix ( EQIX) upgraded at Oppenheimer to Outperform. $115 price target. Growth visibility is improving, especially given the SDXC acquisition. Manitowoc ( MTW) price target lower at Barclays by dollar to $10. MTW beats on crane margins, revenues down. Maintain Underweight rating. Netlogic Microsystem ( NETL) downgraded at UBS from Buy to Neutral. $33.50 price target. Company is realizing less operating leverage and has limited near-term catalysts. NRG Energy ( NRG) downgraded at Deutsche Bank to Hold from Buy on implications from STP nuclear plans. Price target reduced to $25 from $27. Nvidia ( NVDA) estimates, target reduced at Morgan Stanley. NVDA estimates were cut through 2012. Company reduced its guidance, as the company is out of position for the current product cycle. Underweight rating and new $9 price target. Nvidia ( NVDA) downgraded at FBR from Outperform to Market Perform. $10 price target. Company cut guidance and is losing share at AAPL. QEP Resources ( QEP) initiated at Barclays with an Overweight rating and $46 price target. Barclays noted strong production growth and high-quality assets.