Analyst Upgrades

• Bristol-Myers (BMY) to hold from underperform at Jefferies.
• Pep Boys (PBY) to buy from hold at Stifel Nicolaus.
• Tesla Motors (TSLA) to overweight from equal weight at Morgan Stanley.
• Emerson (EMR) to buy from hold at Deutsche Bank.
• ARM Holdings (ARMH) to buy from neutral at BofA/Merrill.
• NetLogic (NETL) and Cavium Networks (CAVM) to buy from hold at Auriga.
• Aimco (AIV) to hold from sell at Citigroup.
• Ceragon Networks (CRNT) to overweight from equal weight at Barclays.

U.S. stock futures are mixed Thursday morning as investors await jobless claims data at 8:30 ET. Futures for the Dow Jones Industrial Average gained 4 points to 12,290.00 and S&P 500 index futures fell 0.40 point to 1,323.50. Nasdaq 100 futures dropped 1 point to 2,333.50.

Negative sentiment ruled the European markets today. While STOXX Europe 600 Index has dropped 0.55%, London's FTSE 100 Index moved down 0.17%.

Analyst Upgrades

• Micron (MU) to buy from neutral at UBS.
• Baker Hughes (BHI) to outperform from market perform at BMO Capital.
• PDL BioPharma (PDLI) to outperform from sector perform at RBC Capital.
• Fluor (FLR) and Rush Enterprises (RUSHA) to buy from neutral at BofA/Merrill.
• Camden Property (CPT) to outperform from neutral at Macquarie.
• Pinnacle Financial (PNFP) to buy from hold at Wunderlich.
• Linear Technology (LLTC) to neutral from reduce at Nomura.
• Hologic (HOLX) and Illumina (ILMN) to buy from hold at Citigroup.
• F5 Networks (FFIV) to buy from neutral at Gleacher.

Analyst Upgrades

• Citigroup assumed coverage of Illinois Tool Works (ITW) and upgraded shares to buy from hold with a $52 price target. Citi cites valuation and the company's successful execution for the rating change.
• UBS upgraded Rowan Companies (RDC) to buy from neutral based on better-than-expected dayrates in the high specification jack-up market. The firm raised its price target to $42 from $28.
• UBS also upgraded NetLogic (NETL) to buy from neutral and keeps a $33.50 target on the stock. The firm upgraded shares based on valuation and solid long-term outlook.
• AvalonBay (AVB) and BRE Properties (BRE) were upgraded to neutral from underperform at Macquarie.
• Covance (CVD) was upgraded to equal weight from underweight at Morgan Stanley.
• Reynolds American (RAI) was upgraded to neutral from underperform at BofA/Merrill.

Analyst Upgrades

• RBC Capital upgraded Brookfield Infrastructure (BIP) to outperform from sector perform with a $20 target. The firm thinks the units' valuation is compelling, while the company's proposed acquisition of assets is positive.
• Stifel upgraded First Horizon (FHN) to buy from hold based on valuation and its path towards normalized profitability. The firm has a $15 price target on the stock.
• KeyBanc upgraded Isle of Capri (ISLE) to buy from hold based on improved earnings growth and valuation. The firm has a $13 target on the stock.
• ATA Inc. (ATAI) was upgraded to neutral from underweight at Piper Jaffray.
• Buckeye Partners (BPL) was upgraded to neutral from sell at Goldman.
• Sinopec (SNP) was upgraded to overweight from neutral at HSBC.

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 Upgrades

• JMP Securities upgraded Boston Properties (BXP) to outperform from market perform and has an $89 price target on the stock. The firm upgraded shares based on near-term catalysts that include, the potential start of 1msf of development in Midtown, investments, and selection as 1 World Trade Center project manager.
• Baird upgraded Bucyrus (BUCY) to outperform from neutral, citing valuation and an a more favorable view of the Terex Mining acquisition. The firm has an $83 price target on the stock.
• Jefferies upgraded Warner Chilcott (WCRX) to buy from hold and has a $30 price target on the stock. The firm upgraded shares based on valuation and conservative guidance.
• AmeriCredit (ACF) was upgraded to market perform from underperform at Keefe Bruyette.
• Royal Dutch Shell (RDS.A) was upgraded to overweight from neutral at JPMorgan.
• Rio Tinto (RTP) was upgraded to outperform from market perform at Bernstein.

Analyst Upgrades

• Susquehanna upgraded Yahoo! (YHOO) to positive from neutral. The firm, which has a $19 price target on the stock, cites the steep decline in shares for the upgrade.
• UBS upgraded Time Warner Cable (TWC) to buy from neutral. The firm believes fears regarding FCC reclassification of broadband are "overblown" and that industry fundamentals are bullish. The firm has a $57 target on the stock.
• Keefe Bruyette upgraded Stifel Financial (SF) to outperform from market perform on valuation following the recent pullback in shares. The firm has a $64 price target for the stock.
• Boeing (BA) was upgraded to conviction buy from neutral at Goldman.
• RBC Capital upgraded Southern Union (SUG) to sector perform from underperform.
• Rubicon Technology (RBCN) was upgraded to outperform from perform at Oppenheimer.

Analyst Upgrades

• Deutsche Bank upgraded CME Group (CME) to buy from hold to reflect valuation and the company's improving trends. The firm raised its target price for shares to $325 from $320.
• JPMorgan upgraded Big Lots (BIG) to overweight from neutral. The firm believes the company's stabilizing comps and accelerating square foot growth should drive multiple expansion and raised its target price for shares to $38.
• Soleil upgraded PacWest Bancorp (PACW) to buy from hold as it views the company's bulk loan sale positively. The firm has a $24.50 target on the stock.
• Clean Harbors (CLH) was upgraded to buy from neutral at BofA/Merrill.
• Skilled Healthcare (SKH) was upgraded to outperform from market perform at Leerink.
• FARO Tech (FARO) was upgraded to buy from hold at Needham.

"The major indexes and most leading stocks are in short- to intermediate-term downtrends. Thus, the game plan is the same: Stay defensive, hold some cash, and limit new buying to just a couple of small positions in resilient stocks," suggests Mike Cintolo.

The growth stock specialist and editor of The Cabot Top Ten explains, "Eventually, this correction will give way to a new uptrend. Meanwhile, we've found several interesting growth stories; our favorite is NetLogic Microsystems (NETL).

Analyst Upgrades

• Citigroup upgraded PPG Industries (PPG) to buy from hold on expectations the company will benefit from increased auto production in 2010. The firm raised its price target on shares to $71 from $62.
• Stephens upgraded H&R Block (HRB) to overweight from equal weight as it believes the company is well positioned to gain market share with the problems at Jackson Hewitt (JTX). The firm raised its target price on H&R Block shares to $28 from $22.
• Credit Suisse raised Tyson Foods (TSN) to outperform from neutral and raised its target to $16 from $13. The firm believes Tyson is a cyclical stock in the early stages of a rebound in protein processing.
• Lennar (LEN) was upgraded to overweight from equal weight at Barclays.
• Chipotle Mexican Grill (CMG) was upgraded to market perform from underperform at Wells Fargo.
• Spartech (SEH) was upgraded to buy from hold at KeyBanc.

"We believe that the recent relative strength of tech stocks is the start of a longer term trend, not merely a flash in the pan," says Jim Oberweis and Dave Covas.

In The Oberweis Report, the money managers and small cap advisors explain, "Our confidence stems from the emergence of the next Killer Apps, which drive technology cycles because they change how we live our lives." Here, they make a case for technology and offer a trio of small cap favorites.

"During the 1980's and early 1990's, the personal computer was the Killer App. During the late 1990's, it was the Internet. During this decade – zilch. Until now. The next Killer Apps – video-on-demand and ubiquitous high-speed wireless connectivity – are coming.

Analyst upgrades:

• Citigroup upgraded MEMC Electronic (NYSE: WFR) to Buy from Hold after channel checks indicated solar poly price pressures are easing. The firm added MEMC to its Top Picks Live list and raised its price target on shares to $24 from $15.
  
• FBR Capital upgraded PHH Corp (NYSE: PHH) to Outperform from Market Perform to reflect an improvement in mortgage banking fundamentals and recent management changes at the company. The firm raised its target on shares to $23 from $13.
  
• Deutsche Bank upgraded PerkinElmer (NYSE: PKI) to Hold from Sell on valuation, seeing a balanced risk/reward at current levels. The firm raised its target on shares to $19 from $14.
• Pearson plc (NYSE: PSO) was upgraded to Outperform from Neutral at Credit Suisse.
  
• Dell (NASDAQ: DELL) was upgraded to Conviction Buy from Neutral at Goldman.
  
• Nymagic (NYSE: NYM) was upgraded to Market Perform from Underperform at Keefe Bruyette.

Analyst upgrades:

• Jefferies upgraded MDS Inc. (NYSE: MDZ) to Buy from Hold on valuation as it believes shares are pricing in a "worst case" scenario at current levels. The firm keeps a $6.50 target on the stock.
  
• JP Morgan upgraded Continental (NYSE: CAL) to Overweight from Neutral on valuation as it believes the recent sell-off is overdone. The firm keeps a $13 price target on the stock.
• Thomas Weisel is positive on Allergan's (NYSE: AGN) diverse product portfolio, global infrastructure, vertical integration, and deep pipeline. The firm upgraded shares to Overweight from Market Weight and has a $54 target on the stock.
• NetLogic (NASDAQ: NETL) was upgraded to Buy from Neutral at Piper.
  
• Dover (NYSE: DOV) was raised to Buy from Neutral at Banc of America/Merrill.
  
• Map Pharmaceuticals (NASDAQ: MAPP) was upgraded at Argus to Hold from Sell.

Analyst upgrades:

• JP Morgan upgraded J.C. Penney (NYSE: JCP) to Neutral from Underweight based on lower input costs, stabilization in home, lower markdown dollars, and valuation.
• Oppenheimer upgraded Novellus (NASDAQ: NVLS) to Perform from Underperform as it believes Novellus' market share has stabilized and that the company is a potential acquisition target. The firm raised its price target to $20 from $9.
• Bernstein upgraded ConAgra (NYSE: CAG) to Market Perform from Underperform citing strength in grains and moderating input costs.
• ConocoPhillips (NYSE: COP) was raised to Buy from Neutral at Goldman.
• China Housing (NASDAQ: CHLN) was upgraded to Buy from Hold at Roth Capital.