Analyst Upgrades

• Tyson Foods (TSN) to buy from hold at Deutsche Bank.
• Carmike Cinemas (CKEC) to buy from neutral at Merriman.
• Ambow Education (AMBO) to conviction buy from neutral at Goldman.
• Johnson Controls (JCI) to overweight from equal weight at Barclays.
• Dynex Capital (DX) to outperform from market perform at JMP Securities.
• Ensco (ESV) to outperform from neutral at Credit Suisse.
• York Water (YORW) to buy from hold at Brean Murray.
• Mid-America Apartment (MAA) to market perform from underperform at FBR Capital.
• Cheniere Energy Partners (CQP) to hold from sell at Citigroup.
• Forest Oil (FST) to positive from neutral at Susquehanna.
• Tractor Supply (TSCO) to outperform from neutral at RW Baird.

With current tough times, and maybe getting tougher with deflation as a real possibility, investors who think more defensively may see better returns with more conservative stocks, ones with dividends and solid balance sheets. Now isn't the time to be too aggressive. With that in mind, here are five stocks that made our column dedicated to conservative investors.

Avista Corp. (AVA): an energy company, engaged in the generation, transmission, and distribution of energy and energy-related businesses in the United States and Canada. The company operates through two segments, Avista Utilities and Advantage IQ.

Analyst Upgrades

• Wunderlich upgraded Inergy (NRGY) to buy from hold on valuation after the stock sold off following the proposed merger with Inergy Holdings (NRGP). The firm raised its target for shares to $46 from $40.
• Soleil upgraded Applied Industrial (AIT) to buy from gradually accumulate following the company's better-than-expected Q4 results and raised its target for shares to $42 from $36.
• Citigroup upgraded Starwood Property (STWD) to buy from hold with a $21 price target, citing a pick-up in CRE loan sales.
• Family Dollar (FDO) was upgraded to overweight from equal weight at Barclays.
• Intercontinental Hotels (IHG) was upgraded to buy from sell at Societe Generale.
• Yucheng Technologies (YTEC) was upgraded to buy from hold at Roth Capital.

Warren Buffett decided to stock up on Tesco (TSCO) shares earlier this week, MarketWatch reported this morning. Buffett's Berkshire Hathaway (BRK.A, BRK.B) purchased roughly 2 million additional shares, boosting to group's stake in the British supermarket past 3%.

Buffett's decision comes two weeks after the company announced a succession plan, naming Philip Clarke as chief executive effective in March. In addition, Tesco released first-quarter earnings a week ago, receiving a mixed reaction from analysts as same-store sales were mostly flat.

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

• Oppenheimer upgraded Williams-Sonoma (WSM) to outperform from perform. Opco believes the company's business model is being underappreciated by investors and upped its target price for shares to $40 from $26.
• BMO Capital upgraded Tractor Supply (TSCO) to market perform from underperform and set a $75 target. The firm upgraded the stock after the company's positive preannouncement.
• JCPenney (JCP) was upgraded to conviction buy from neutral at Goldman.
• DISH Network (DISH) was upgraded to buy from neutral at UBS.
• BJ's Wholesale (BJ) was upgraded to neutral from underperform at Credit Suisse.
• Taseko Mines (TGB) was upgraded to buy from hold at TD Newcrest.

Analyst Upgrades

• Credit Suisse upgraded Blackrock (BLK) to outperform from neutral and added shares to its U.S. Focus List. The firm cites valuation for the upgrade. The firm raised its target to $280 from $270.
• Keefe Bruyette upgraded Greenhill & Co. (GHL) to outperform from market perform following the company's acquisition of Caliburn. The firm raised its price target for shares to $110 from $82.
• Deutsche Bank upgraded Athenahealth (ATHN) to buy from hold, citing the removal of the company's accounting overhang and a strong long-term outlook. The firm raised its price target for shares to $51 from $40.
• Ann Taylor (ANN) was upgraded to neutral from underperform at BofA/Merrill.
• Jacobs Engineering (JEC) was upgraded to sell from conviction sell at Goldman.
• Sterling Bancorp (STL) was upgraded to outperform from market perform at BMO Capital.

Analyst Upgrades

• Piper Jaffray upgraded Tractor Supply Co. (TSCO) to neutral to underweight ahead of the company's investment meeting Tuesday and raised its target on shares to $55 from $46.
• Barclays upgraded Norfolk Southern (NSC) to overweight from equal weight, citing earning potential and core price fundamentals. The firm raised its target to $52 from $55.
• KeyBanc upgraded Denbury Resources (DNR) to buy from hold based on expectations that the EAC acquisition has material value that is not reflected in shares. The firm has a $19 target on shares.
• BP Plc (BP) was upgraded to buy from neutral at BofA/Merrill.
• Abercrombie & Fitch (ANF) was upgraded to neutral from underperform at Cowen.
• Rowan Companies (RDC) was upgraded to sector perform from underperform at RBC Capital.

Analyst Upgrades

• Jefferies upgraded Citrix Systems (CTXS) to buy from hold and raised its target to $48 from $43, citing VMware's (VMW) strong Q4 report and survey results that indicate continued strength for Citrix.
• Citigroup upgraded Amylin Pharmaceuticals (AMLN) to buy from hold on confidence the company's LAR drug will be approved following the approval of Novo Nordisk's (NVO) Victoza. Citi raised its target price for Amylin shares to $27 from $4.
• Baird upgraded Texas Instruments (TXN) to outperform from neutral and raised its target to $30 from $28. The firm believes it is too early to take profits in Texas Instruments and notes that checks continue to indicate a continued recovery in end-demand.
• Lexmark (LXK) was upgraded to overweight from equal weight at Barclays.
• Salix (SLXP) was upgraded to outperform from perform at Oppenheimer.
• Plexus (PLXS) was lifted to outperform from neutral at Credit Suisse.

Analyst Upgrades

• Canaccord upgraded IBM (IBM) to buy from hold, citing the better-than-expected Q4 report, an ongoing economic recovery and higher IT budgets. The firm raised its target to $150 from $130.
• Citigroup upgraded Archer Daniels Midland (ADM) to buy from hold to reflect strength in the oilseed processing market and a positive inflection in ethanol profitability. The firm raised its target on shares to $37 from $33.
• FBR Capital upgraded Tesco (TESO) to outperform from market perform on expectations the company's top drive orders will accelerate in the coming quarters. The firm raised its target price on shares to $18.
• CBS (CBS) was upgraded to buy from hold at Jefferies.
• HSBC Holdings (HBC) was upgraded to buy from hold at RBS.
• Essex Property Trust (ESS) was upgraded to overweight from equal weight at Barclays.

Analyst upgrades:

• JPMorgan upgraded Barrick Gold (NYSE: ABX) and Goldcorp (NYSE: GG) to Overweight from Neutral following its gold valuation analysis. The firm set a $54 price target on Barrick shares and a $47 price target on Goldcorp shares.
• Thomas Weisel upgraded EMC Corp. (NYSE: EMC) to Overweight from Market Weight and raised its target to $24 from $15, citing the company's improving end market demand, competitive position, and valuation.
• Barclays upgraded AMR Corp. (NYSE: AMR) to Overweight from Equal Weight, citing the company's improved liquidity position and what they believe to be the beginning of a multi-year profit cycle for the sector. Despite the upgrade, the firm lowered its target to $14 from $20.
• Harley-Davidson (NYSE: HOG) was upgraded to Outperform from Market Perform at Wells Fargo.
• Toshiba (OTC: TOSBF) was upgraded to Overweight from Neutral at JPMorgan.
• Sanofi-Aventis (NYSE: SNY) was upgraded to Neutral from Sell at UBS.

There is a bill making rounds on Capitol Hill that would provide a tax break for up to $3,500 for pet expenses. Does Fido really deserve a tax deduction? Do we really need to subsidize pet ownership in this country?

The recession has been extra hard on pets as people have abandoned pets at shelters they are no longer able to properly care for them. Pet can be very expensive between food, visits to the vet and increased rent. Those of you who think dog food is expensive should try to feed a horse sometime!

The earnings crunch begins in earnest this week, and analysts surveyed by Thomson Reuters are expecting a parade of companies reporting profit declines in the just completed quarter. That includes more financials, such as American Express Co. (NYSE: AXP), Bank of New York Mellon Corp. (NYSE: BK), M&T Bank Corp. (NYSE: MTB), Northern Trust Corp. (NASDAQ: NTRS), State Street Corp. (NYSE: STT), US Bancorp (NYSE: USB), and Wells Fargo & Co. (NYSE: WFC). On the other hand, Capital One Financial Corp. (NYSE: COF), E*Trade Financial Corp. (NASDAQ: ETFC), Regions Financial Corp. (NYSE: RF), and Zions Bancorp. (NASDAQ: ZION) are expected to post losses.

This week's anticipated earnings decliners also include tech companies such as Apple Inc. (NASDAQ: AAPL), Lexmark International Inc. (NYSE: LXK), Microsoft Corp. (NASDAQ: MSFT), Qualcomm Inc. (NASDAQ: QCOM), Texas Instruments Inc. (NYSE: TXN), and Yahoo! Inc. (NASDAQ: YHOO). Advanced Micro Devices Inc. (NYSE: AMD) is expected to post a loss.

Tractor Supply Company (NASDAQ: TSCO) is on the upswing today after the retailer raised its second-quarter profit estimate. The company now expects to earn $1.48 to $1.50 per share in the second quarter, compared to analysts' consensus forecast for a profit of $1.24 per share. Full-year earnings are now expected to range between $2.78 and $2.92 per share, again outpacing Wall Street's average estimate of $2.64 per share.

Tractor Supply cited tighter control over its marketing expenses for the upwardly revised earnings guidance. However, the retail issue expects consumer spending trends to remain weak through the remainder of 2009, and accordingly trimmed its full-year revenue outlook. The company is now predicting sales of $3.15 billion to $3.25 billion for 2009, down from its earlier guidance of $3.20 billion to $3.30 billion.

Analyst upgrades:

• Oppenheimer upgraded OceanFreight (NASDAQ:OCNF) to Perform from Underperform on valuation and a lack of negative catalysts following the recent weakness.
  
• UBS raised Micron (NYSE:MU) to Buy from Neutral citing supply cuts which should improve prices. The target remains $5.
  
• Jesup & Lamont upgraded Atlas Air (NASDAQ:AAWW) to Buy from Hold is positive on the company's 20 year blocked space agreement with DHL and expects the stock to continue higher.
• AK Steel (NYSE:AKS) was added to Goldman's Conviction Buy List and upgraded to Buy from Neutral.
  
• Goldman also upgraded Northern Trust (NASDAQ:NTRS) to Buy from Neutral.
  
• Digital River (NASDAQ:DRIV) was upgraded to Hold from Sell at Stanford.

Analyst downgrades:

• Stephens downgraded shares of Titan Machinery (NASDAQ:TITN) after their survey of farmers indicated declining sales of agricultural equipment. The firm lowered their target to $19 but believes Titan Machinery's long-term growth story remains intact.
  
• Jefferies downgraded Helen of Troy (NASDAQ:HELE) and Blyth (NYSE:BTH) to Underperform from Hold as they believe the further deterioration in the U.S. consumer macro environment could pressure near-term results. The firm lowered its target on Helen of Troy to $13 from $16.50 and on Blyth to $5.50 from $8.
  
• UBS cut Indevus (NASDAQ:IDEV) to Neutral from Buy and lowered its target to $5.50 from $5 following the acquisition offer by Endo Pharmaceuticals (NASDAQ:ENDP).
• AECOM Tech (NYSE:ACM) was lowered to Equal Weight from Overweight at Morgan Stanley.
  
• Amerisafe (NYSE:AMSF) was downgraded at Oppenheimer to Perform from Outperform.
  
• Tractor Supply (NASDAQ:TSCO) was cut to Neutral from Buy at Piper Jaffray.

Analyst initiations:

• KeyBanc initiated Urban Outfitters (NASDAQ:URBN) with a Buy rating and $22 target. The firm believes the Urban Outfitters and Antropologie divisions are under penetrated and have visible growth.
  
• Kaufman Bros. started SuccessFactors (NASDAQ:SFSF) with a Hold rating and $7 target and believes the current demand backdrop could be worse than reflected in current consensus estimates.
  
• CarMax (NASDAQ:KMX) was initiated at Baird with a Neutral rating and $10 target. The firm is impressed with CarMax's business model but does not see a way around the near-term economic headwinds.
• Manulife Financial (NYSE:MFC) and Sunlife Financial (NYSE:SLF) were assumed with Equal Weight ratings at Morgan Stanley.
  
• Oppenheimer started Pacific Sunwear (NASDAQ:PSUN) with a Perform rating.
  
• Kite Realty Trust (NYSE:KRG) was initiated with a Buy rating at Janney Montgomery.