Analyst Calls: ACI, BA, COP, CTXS, CVS, NGS, NVDA, VPRT, WSM ...

Analyst Upgrades

BofA/Merrill upgraded ConocoPhillips (COP) to neutral from underperform following the better-than-expected Q2 report. The firm has a $61 price target on shares.
Deutsche Bank upgraded Citrix Systems (CTXS) to buy from hold following the company's Q2 results and raised its target for shares to $65 from $45. Shares were also upgraded to neutral from underperform at Cowen following the better-than-expected Q2 report.
Macquarie upgraded Arch Coal (ACI) to outperform from underperform and raised its price target to $29 from $23. The firm expects PRB priced to move higher given increased domestic and export demand combined with supply shortfalls.
Boeing (BA) was upgraded to hold from sell at Societe Generale.
Equinix (EQIX) was upgraded to outperform from perform at Oppenheimer.
Williams-Sonoma (WSM) was upgraded to equal weight from underweight at Barclays.

Analyst Downgrades

Barrington downgraded Vistaprint (VPRT) to market perform from outperfrom, citing the company's disappointing Q4 results and uncertainty regarding internal execution issues. The firm removed shares from its Best Ideas List following the downgrade. Shares were also downgraded at Citigroup to hold from buy following the weaker-than-expected Q4 report and guidance.
FBR Capital downgraded Nvidia (NVDA) to market perform from outperform after the company lowered its sales outlook. The firm, which also downgraded Advanced Micro (AMD) to market perform from outperform on chipset decline concerns following Nvidia's reduced sales outlook, dropped its target for shares to $10 from $18.
Macquarie downgraded Frontier Oil (FTO) to neutral from outperform and has a $14 target on the stock. The firm has concerns that the fire at the company's Cheyenne Refinery will have a negative impact and possibly delay its dividend reinstatement.
CVS Caremark (CVS) was downgraded to neutral from buy at BofA/Merrill.
Symantec (SYMC) was downgraded to market perform from outperform at Morgan Keegan.
NetLogic (NETL) was downgraded to neutral from buy at UBS.

Analyst Initiations

Barclays initiated QEP Resources (QEP) with an overweight rating and $46 target.
Global Hunter started Natural Gas Services (NGS) with a buy rating and $24 target.
BlackRock Kelso (BKCC) was initiated with a neutral rating at BofA/Merrill.
Tele Norte Leste (TNE) was reinstated with a neutral rating at Credit Suisse.
RealD (RLD) was initiated with a hold rating at Hudson Square.
Higher One (ONE) was initiated with an outperform rating at Raymond James.