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

• Advance Auto Parts Inc. (NYSE: AAP) lowered its Q3 earnings forecast below analysts' estimates.
• Advanced Medical Optics Inc. (NYSE: EYE) lowered guidance led to an analyst's downgrade.
• Alcoa Inc. (NYSE: AA) fell well short of Q3 estimates on lower demand and falling prices.
• Bank of America Corp. (NYSE: BAC) Q3 profits fell more than estimated, and it cut its dividend.
• Brunswick Corp. (NYSE: BC) forecast a full-year loss and accelerated layoffs.
• Costco Wholesale Corp. (NASDAQ: COST) Q4 earnings just missed estimates thought revenues were up.
• Dollar Tree Inc. (NASDAQ: DLTR) earnings results and growth prospects impressed one analyst.
• eBay Inc. (NASDAQ: EBAY) earnings may be diluted by its acquisition of Bill Me Later.
• Ecolab Inc. (NYSE: ECL) earnings prospects led to an analyst's downgrade.
• General Electric Co. (NYSE: GE) results were in line with low expectations, and dividends will be sustained.
• General Mills Inc. (NYSE: GIS) earnings prospects for 2009 impress Jim Cramer.
• Host Hotels & Resorts Inc. (NYSE: HST) Q3 earnings tumbled while revenue slipped.
• IBM Corp. (NYSE: IBM) surprised Wall Street by offering strong Q3 preliminary results.

MOST NOTEWORTHY: Countrywide Financial, AstraZeneca, Massey Energy and International Coal were today's noteworthy upgrades:

• Wachovia upgraded Countrywide (NYSE: CFC) to Market Perform from Underperform, as they do not expect any other bidders to emerge and for the acquisition by Bank of America (NYSE: BAC) to close.
  
• HSBC upgraded AstraZeneca (NYSE: AZN) to Overweight from Neutral on valuation and their belief that an agreement with Ranbaxy on Nexium is possible.
  
• Massey Energy (NYSE: MEE) and International Coal (NYSE: ICO) were upgraded to Neutral from Underweight at JP Morgan citing higher coal price forecasts.

OTHER UPGRADES:

• UBS raised Helicos BioSciences (NASDAQ: HLCS) to Neutral from Sell.
  
• RBC Capital raised National City (NYSE: NCC) to Sector Perform from Underperform.
  
• Merrill upgraded Magellan Midstream Holdings (NYSE: MGG) to Buy from Neutral.

MOST NOTEWORTHY: Today's notable initiations include NetFlix (NFLX) and Diamond Foods (DMND):

• Bank of America started NetFlix Inc. (NASDAQ:NFLX) with a Sell rating and $24 target, as they expect increasing subscriber acquisition costs and decreasing average revenue per subscriber to be challenging for the long-term;
• Diamond Foods Inc. (NASDAQ:DMND) was initiated with a Buy rating and $23 target at Oppenheimer, as the firm believes Diamond Foods has a solid core business and sees healthy growth with the Emerald products division.

OTHER INITIATIONS:

• JB Hunt Transort Services Inc. (NASDAQ:JBHT) was initiated with a Hold rating at McDonald.
• Duke Energy Corp. Holding Co. (NYSE:DUK) was initiated with a Hold rating and $35 target at Deutsche Bank, citing valuation.
• JP Morgan initiated shares of International Coal Group Inc. (NYSE:ICO) with an Underweight rating, citing difficult business conditions for Central Appalachian coal miners.
• Rochdale initiated Cypress Semiconductor Inc. (NYSE:CY) with a Buy rating and $21 target; the firm believes new business, operating efficiencies and the SunPower (SPWR) investment will improve profitability in 2007.

Analyst summaries provided by TheFlyOnTheWall.com (subscription required).