Below are some highlights from this past week's earnings coverage on BloggingStocks. Click through to the original posts for more details.

• Ann Taylor Stores Corp. (ANN) shares rallied on heavy volume after it posted better-than-expected Q1 earnings.
• AutoZone Inc. (AZO) Q3 earnings easily beat consensus expectations and same-store sales rose sharply.
• Borders Group Inc. (BGP) posted a wider operating loss, decreasing gross margin, and a same-store sales decline.
• Campbell Soup Co. (CPB) posted strong Q3 results and offered guidance, boosting shares on a down-market day.
• Costco Wholesale Corp. (COST) posted better-than-expected Q3 results, due in part to a surge in membership sales.

Here are some highlights from this past week's earnings coverage on BloggingStocks:

• Abercrombie & Fitch Co. (ANF) lower Q3 results still topped expectations and sent shares higher.
• Applied Materials Inc. (AMAT) posted much better-than-expected Q4 earnings, the first profit in a year.
• AstraZeneca (AZN) received an analyst's downgrade due to concerns over its earnings prospects.
• Blackstone Group (BX) received an analyst's upgrade following the company's Q3 results.
• Blockbuster Inc. (BBI) widened its net loss in Q3 and revenue and same-stores sales declined.
• Clean Energy Fuels Corp. (CLNE) shares declined after its Q3 numbers fell short of expectations.
• Consolidated Water Co. Inc. (CWCO) earnings prospects for 2010 earned it an analyst upgrade.

MOST NOTEWORTHY: Suntech Power, Premier Exhibitions and the Homebuilders Sector were today's noteworthy initiations:

• Citigroup named Suntech Power Holding (NYSE: STP) their top pick for China solar due to its leading scale and technology roadmap for higher cell efficiency, initiating shares with a Buy rating and $55 target.
  
• Merriman believes Premier Exhibitions (NASDAQ: PRXI) can move to the $14.50-$17.00 through the continued monetization of the company's current tours, the launching of additional tours and the value of the Titanic artifacts on hand. The firm started shares with a Buy rating.
  
• Lehman initiated D.R. Horton (NYSE: DHI), Ryland Group (NYSE: RYL), Toll Brothers (NYSE: TOL) with Overweight ratings and an $18 target, $31 target and $27 target; KB Home (NYSE: KBH) with an Equal Weight rating and $24 target; and Hovnanian Enterprises (NYSE: HOV) with an Underweight rating and $8 target.

OTHER INITIATIONS:

• Citigroup initiated Yingli Green Energy (NYSE: YGE) with a Hold rating and $24 target.
  
• UBS initiated Citrix Systems (NASDAQ: CTXS) with a Neutral rating and $38 target.
  
• JP Morgan initiated Biodel (NASDAQ: BIOD) with an Overweight rating.

MOST NOTEWORTHY: Golar LNG, Yingli Green Energy and Bill Barrett were today's noteworthy downgrades:

• Jefferies downgraded shares of Golar LNG (NASDAQ: GLNG) to Hold from Buy on valuation, as they see limited upside over the next 12 months.
  
• Banc of America downgraded shares of Yingli Green Energy (NYSE: YGE) to Neutral from Buy on difficult fundamentals, as they believe solar industry gross margins will continue to contract due to silicon competition and decelerating demand in Spain and Germany.
  
• SunTrust lowered Bill Barrett Corporation (NYSE: BBG) to Neutral from Buy based on valuation and lack of near-term exploration catalysts.

OTHER DOWNGRADES:

• Autodesk (NASDAQ: ADSK) was lowered to Accumulate from Buy at ThinkEquity.
  
• Goldman removed Oneok (NYSE: OKE) from its Conviction Buy List.
  
• Merrill Lynch downgraded Boardwalk Pipeline Partners (NYSE: BWP) to Sell from Buy.