Analyst Upgrades

• Best Buy (BBY) was upgraded to top pick from outperform at RBC Capital, as the firm thinks the company's valuation is inexpensive while it will perform well during the holiday season.
• Credit Suisse upgraded CF Industries (CF) to outperform from neutral, citing favorable fundamentals in nitrogen and phosphate markets.
• Canadian Solar (CSIQ) was raised to buy from hold by Jefferies, which cited expectations for higher selling prices next year and cost savings from sourcing more components internally.
• BMO Capital upgraded RC2 Corp. (RCRC) to outperform from market perform as the firm believes that RC2's baby products are performing better than previously expected.
• Ericsson (ERIC) was upgraded to neutral from underperform at BofA/Merril.
• ProLogis (PLD) was upgraded to buy from hold at Stifel Nicolaus.
• Constellation Energy (CEG) was upgraded to outperform from neutral at Macquarie.

Analyst Upgrades

• Baird upgraded Oshkosh (OSK) to outperform from neutral, citing valuation as it believes post-Iraq U.S. military spending concerns are overdone. The firm keeps a $42 price target for shares.
• Goldman transferred coverage on CenturyTel (CTL) with a buy from a neutral and has a $42 price target on the stock. The firm believes CenturyTel could increase buybacks and or increase its dividend given free cash generation and low payout ratio.
• Lazard Capital upgraded Hatteras Financial (HTS) to buy from hold to reflect increased dividend projections. The firm has a $30 price target for shares.
• EOG Resources (EOG) was upgraded to neutral from underperform at Credit Suisse.
• Donaldson (DCI) was upgraded to neutral from underperform at BofA/Merrill.

Analyst Upgrades

• Goldman upgraded Costco (COST) to buy from neutral based on valuation, improving fundamentals and potential catalysts. The firm raised its price target to $68 from $62.
• Soleil upgraded MGM Resorts (MGM) to buy from hold, citing valuation, easing balance sheet concerns and a multiyear convention recovery. The firm upped its target for shares to $14 from $13. Note, Soleil also downgraded Las Vegas Sands (LVS) to hold from buy.
• Piper Jaffray upgraded Phillips-Van Heusen (PVH) to overweight from neutral with a $59 price target following the company's better-than-expected Q2 results.
• Dell (DELL) was upgraded to buy from outperform at CLSA.
• CommScope (CTV) was upgraded to buy from neutral at UBS.
• EnCana (ECA) was upgraded to sector outperformer from sector performer at CIBC.

Analyst Upgrades

• HSBC upgraded Massey Energy (MEE) to overweight from neutral based on improved 2011 pricing power given industry supply-side discipline. Despite the upgrade, the firm cuts its price target to $40 from $54.
• Needham upgraded Blue Coat Systems (BCSI) to buy from hold following yesterday's announcement that Michael J. Borman has been named the new CEO. The firm has a $27 price target on the stock.
• Citigroup upgraded Teekay Offshore Partners (TOO) to buy from hold after the company announced shuttle tanker contracts to reflect improved operating performance. The firm raised its target for shares to $26 from $15.
• Prosperity Bancshares (PRSP) was upgraded to equal weight from underweight at Morgan Stanley.
• Ceradyne (CRDN) was upgraded to buy from hold at Benchmark Co.
• CTC Media (CTCM) was upgraded to buy from hold at Deutsche Bank.

In the wake of the BHP Billiton's (BHP) failed $39 billion offer and its new hostile $40 billion takeover bid for Potash Corp. of Saskatchewan (POT), agricultural fertilizer companies, including CF Industries Holdings (CF), are starting to look pretty juicy to investors.

Fertilizer companies have been struggling during the past few years as cash-strapped farmers have been pulling back on their purchases, but the tide appears to be changing.

With rising prices for crops like wheat and corn, it is starting to look like it is going to be a really good year for U.S. farmers, which means they are going to have plenty of money to reinvest in new machinery and more fertilizer.

Analyst Upgrades

• GC Financial upgraded Microsoft (MSFT) to buy from hold, citing expectations that the company will raise its quarterly dividend by 15%. The firm upped its target for shares to $30 from $29.
• JPMorgan upgraded Agrium (AGU) to overweight from neutral, citing valuation and strengthening agricultural fundamentals. The firm raised its target for shares to $75 from $70. Note JPMorgan downgraded Mosaic (MOS) this morning to neutral from overweight.
• Susquehanna upgraded Baker Hughes (BHI) to positive from neutral based on valuation. The firm has a $53 target on the stock.
• Target (TGT) was upgraded to buy from neutral at BofA/Merrill.
• CF Industries (CF) was upgraded to conviction buy from neutral at Goldman.
• Portugal Telecom (PT) was upgraded to buy from hold at Deutsche Bank.

Analyst Upgrades

• Needham upgraded Dick's Sporting Goods (DKS) to buy from hold following the company's Q1 results as it believes the sell-off in shares provides an attractive entry point into the name. The firm has a $31 price target for the stock. Piper Jaffrey upgraded Dick's Sporting to overweight from neutral following the company's Q1 results and raised its target for shares to $34 from $31.
• Piper Jaffray also upgraded MGIC Investment (MTG) to overweight from neutral. The firm upgraded shares on valuation and raised its target to $11 from $10.
• Macy's (M) was upgraded to buy from neutral and VeriSign (VRSN) was upgraded to sell from conviction sell at Goldman.
• Fidelity National (FIS) was upgraded to outperform from market perform at Raymond James.
• Watson Pharma (WPI) was upgraded to overweight from neutral at JPMorgan.

Analyst upgrades

• UBS upgraded CF Industries (CF) to neutral from sell. The firm cites valuation for the upgrade. In addition, UBS raised its price target on shares to $84 from $81.
• Baird upgraded Johnson Controls (JCI) to outperform from neutral and raised its price target to $42 from $33. The upgrade was based on improving margins, China growth, and upside from a cyclical recovery.
• Barrington upgraded G&K Services (GKSR) to outperform from market perform ahead of the company's Q3 results to reflect optimism regarding the company's operational turnaround. The firm set a $35 price target for shares.
• LaSalle Hotel (LHO) was upgraded to top pick from outperform at RBC Capital.
• Zimmer (ZMH) was upgraded to overweight from neutral at JPMorgan.
• Thermo Fisher (TMO) was upgraded to buy from hold at Jefferies.

Analyst Upgrades

• Baird upgraded Dell (DELL) to outperform from neutral, citing valuation and improving IT hardware trends. The firm raised its target to $21 from $17.
• Janney Montgomery upgraded Regal Entertainment (RGC) to buy from neutral, citing box office momentum and improving potential for a dividend increase. The firm raised its target for shares to $20.50 from $16.
• Thomas Weisel upgraded CF Industries (CF) to overweight from market weight as it sees reduced financing risk following the equity offering and valuation.
• GameStop (GME) was upgraded to buy from hold at BB&T.
• Exxon Mobil (XOM) was upgraded to outperform from market perform at Raymond James.
• Cameron (CAM) was raised to outperform from market perform at BMO Capital.

Analyst Upgrades

• FBR Capital upgraded Legg Mason (LM) to market perform from underperform, citing stabilizing outflows and an improved liquidity position.
• Walmart (WMT) was upgraded to buy from hold by Citigroup on expectations the company will regain market share from aggressive price cuts.
• Piper Jaffray upgraded Kirkland's (KIRK) to overweight from neutral following the company's Q4 results.
• Greenbrier (GBX) was upgraded to buy from hold by KeyBanc as the company believes that railcar fundamentals have improved.
• Citigroup upgraded WM Morrison (MRWSY) to buy from sell.
• HSBC raised Millicom (MICC) to overweight from neutral.
• HealthSouth (HLS) was raised to outperform from market perform by Raymond James.

Analyst Upgrades

• JPMorgan upgraded TiVo (TIVO) to overweight from neutral as it believes Thursday's appeal win against DISH Network could lead to revenue upside. The firm raised its target price for shares to $23 from $15.
• Collins Stewart upgraded DISH Network (DISH) to buy from hold on valuation, as it believes much of the impact from the negative appeals ruling is priced into the stock. The firm has a $30 target for shares.
• Cowen upgraded Ciena (CIEN) to outperform from neutral. The firm believes Ciena's acquisition of MEN is transformative and will accelerate top line growth.
• Progress Software (PRGS) was upgraded to buy from hold at Needham.
• Allergan (AGN) was upgraded to buy from hold at Lazard Capital.
• Public Service (PEG) was upgraded to buy from hold at Jefferies.

Today was probably more about international market news more than the domestic news. Outside of February auto sales, we had very little economic data to absorb. The markets spent most of the day much higher, but profit taking and positions being lightened up seemed to take out the steam and the actual closing bell levels. A red or black day was not clear until the last few minutes. Here were today's unofficial closing bell levels:

DJIA: 10,405.98 (+0.02%)
S&P500: 1,118.31 (+0.23%)
NASDAQ: 2,280.79 (+0.32%)

CombinatoRx, Incorporated (CRXX) soared by 32% to $1.47 today after its Exalgo opioid painkiller received FDA approval.

U.S. stock futures advanced Tuesday morning, pointing to a second day of gains as signs of progress in the Greek debt crisis helped stabilize European markets. Meanwhile, merger activity continued as investors awaited what is likely to be a disappointing month for U.S. car sales.

Merger Monday helped lift Wall Street as deal news had the Nasdaq and S&P 500 gaining over 1%, putting both back in the black for the year. The Dow industrials, although adding 0.8% Monday, is still down 0.2% in 2010.

Mosaic (NYSE: MOS), a producer of crop nutrients, closed at $41.35. MOS is presenting at Goldman Sachs Agriculture Biotech Forum on February 10. MOS is presenting at the Morgan Stanley Global Basic Materials Conference on February 18. MOS February option implied volatility is at 71, March is at 76 is below its 26-week average of 81, according to Track Data, suggesting decreasing price movements.

Terra Industries (NYSE: TRA), a nitrogen producer, is scheduled to report Q4 EPS on February 10. CF Industries (NYSE: CF) announced on January 16 an unsolicited bid for TRA, offering to exchange 0.4235 shares of CF for each share of TRA. TRA closed at $22.22. CF closed at $52.44. TRA February and June option implied volatility of 73 is below its 26-week average of 85, according to Track Data, suggesting decreasing price movement.

Option Update is provided by Stock Specialist Paul Foster of theflyonthewall.com

Analyst upgrades:

• Philip Morris (NYSE: PM) was upgraded to Outperform from Neutral at Credit Suisse.
• Friedman Billings upgraded shares of Principal Financial (NYSE: PFG) to Market Perform from Underperform as they believe the company's capital buffer could keep outrunning credit losses.
  
• Friedman Billings also upgraded Office Max (NYSE: OMX) to Outperform from Market Perform. The firm believes the risk of recourse to Office Max from the Timber Notes formerly backed by Lehman is low and that any litigation by noteholders will have a low level of success.
  
• Citigroup upgraded CF Industries (NYSE: CF) to Buy from Hold on valuation following the recent weakness but lowered their target to $113 from $128.
• Analog Devices (NYSE: ADI) was upgraded to Buy from Neutral at Merrill Lynch.
  
• Granite Construction (NYSE: GVA) was upgraded to Neutral from Sell at Goldman.
  

Analyst downgrades: