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

• Applied Materials Inc. (NASDAQ: AMAT) posted a Q1 loss and announced a workforce reduction.
• ArcelorMittal (NYSE: MT) swung to it's first ever quarterly loss due to lower demand and a big write-down.
• Buffalo Wild Wings Inc. (NASDAQ: BWLD) shares surged after it posted strong Q4 results.
• Chipotle Mexican Grill Inc. (NYSE: CMG) posted better-than-expected Q4 earnings as revenue surged.
• Genzyme Corp. (NASDAQ: GENZ) topped Q4 earnings estimates, sending shares higher.
• Global Traffic Network Inc. (NASDAQ: GNET) weaker-than-expected Q2 results led to a downgrade.
• Level 3 Communications Inc. (NASDAQ: LVLT) shares fell despite its upside surprise for Q4.
• Lions Gate Entertainment (NYSE: LGF) posted a bigger-than-expected Q3 loss despite revenue growth.

• Deutsche Bank upgraded shares of Camden Property (NYSE: CPT) to Hold from Sell on valuation and believes the company has improved its liquidity position. Despite the upgrade, the firm lowered its target price to $21 from $25.
  
• Goldman added Best Buy (NYSE: BBY) to its Conviction Buy List as it is now the sole dominant retailer in consumer electronics and expects Best Buy's margins to benefit from Circuit City's demise.
  
• Molson Coors (NYSE: TAP) was upgraded to Overweight from Neutral at JP Morgan as it finds the valuation attractive and sees a number of long-term fundamental positive catalysts. The firm has a $47.50 target on shares.
• United Rentals (NYSE: URI) and Illinois Tool Works (NYSE: ITW) were upgraded to Buy from Neutral at UBS.
  
• ProLogis (NYSE: PLD) was upgraded to Buy from Neutral at Banc of America/Merrill.

• Oppenheimer downgraded Global Traffic Network (NASDAQ: GNET) to Perform from Outperform following the company's weaker than expected Q2 results and lowered its target price to $6.25 from $7.
  
• Friedman Billings downgraded BankAtlantic (NYSE: BBX) to Underperform from Market Perform to reflect the deterioration of both the company's credit and capital in Q4. The firm lowered its target price to $1 from $5.
  
• RBC Capital downgraded AbitibiBowater (NYSE: ABH) to Underperform from Sector Perform and lowered its target to 50 cents from $2.00 following the company's debt refinancing announcement.
• Lions Gate (NYSE: LGF) was cut to Market Weight from Overweight at Thomas Weisel.
  
• Ctrip.com (NASDAQ: CTRP) was downgraded at Goldman to Sell from Neutral.
  
• Molson Coors (NYSE: TAP) was downgraded to Neutral from Buy at Banc of America/Merrill.

• Oppenheimer initiated Chattem (NASDAQ: CHTT) with an Outperform rating and believes the company's business model is well suited for the current uncertain consumer environment. The firm has an $80 target on the stock.
• Freeport McMoRan (NYSE: FCX) was initiated at BMO Capital with a Market Perform rating and $30 target.
  
• Anglo American (NASDAQ: AAUK) was assumed with a Sell rating at Societe Generale.
  
• Yamana Gold (NYSE: AUY) was started at UBS with a Buy rating.