The quarter is winding down, and here are some highlights from this past week's earnings coverage from BloggingStocks:

• Air Products & Chemicals Inc. (NYSE: APD) lowered its guidance for the current quarter.
• AutoZone Inc. (NYSE: AZO) missed Q4 earnings estimates despite a modest increase in profits.
• Bed Bath & Beyond Inc. (NASDAQ: BBBY) reported disappointing Q2 results that met analysts' expectations.
• Chevron Corp. (NYSE: CVX) faces earnings declines if the Paulson plan fails, says Jim Cramer
• Circuit City Stores Inc. (NYSE: CC) earnings declines finally led to the ouster of CEO Schoonover.
• Discover Financial Services (NYSE: DFS) beat Q3 expectations despite charges and reserves.
• General Electric Co. (NYSE: GE) lowered its Q3 and full-year forecast due to financial sector woes.
• KB Home (NYSE: KBH) reported a greater-than-expected loss for Q3, and yet shares rose.
• Lennar Corp. (NYSE: LEN) posted significantly smaller Q3 losses on cost cutting.
• McCormick & Co. Inc. (NYSE: MKC) topped Q3 expectations due to the sale of a brand.
• Nike Inc. (NYSE: NKE) posted better-than-expected Q1 results despite a decline in net income.
• Research in Motion Ltd. (NASDAQ: RIMM) posted strong Q2 results accompanied by a weak forecast.
• Rite Aid Corp. (NYSE: RAD) Q2 net loss more than doubled and revenues were flat
• Secure Computing Corp. (NASDAQ: SCUR) missing estimates didn't stop a deal with McAfee (NYSE: MFE).
• 3Com Corp. (NASDAQ: COMS) Q1 results topped both analysts estimates and previous guidance.
• 3M Co. (NYSE: MMM) faces significant earnings declines if the Paulson plan fails, says Jim Cramer.

Also, are analysts' expectations for the the coming year too optimistic?

Upcoming quarterly reports include Circuit City (NYSE: CC), Walgreen (NYSE: WAG), Pepsi Bottling Group (NYSE: PBG), Constellation Brands (NYSE: STZ), Marriott International (NYSE: MAR), Family Dollar Stores (NYSE: FDO).

Visit AOL Money & Finance for more earnings coverage.

MOST NOTEWORTHY: Lee Enterprises (LEE), The Pep Boys (PBY), Cumulus Media (CMLS), VeraSun Energy (VSE) and Acuity Brands (AYI) were today's more noteworthy upgrades:

• Wachovia upgraded Lee Enterprises (NYSE: LEE) to Market Perform from Underperform on valuation.

• RBC Capital raised Pep Boys (NYSE: PBY) to Sector Perform from Underperform citing upside potential from its real estate monetization strategy.

• Cumulus Media (NASDAQ: CMLS) was upgraded to Hold from Sell at Citigroup based on the proposed buyout offer.

• VeraSun Energy (NYSE: VSE) was upgraded to Hold from Sell at Soleil based on the acquisition of three 110mgy ethanol projects from ASAlliance.

• Gabelli upgraded Acuity Brands (NYSE: AYI) to Hold from Sell following the company's announcement that it will pursue a tax-free spin-off of its specialty products business...

OTHER UPGRADES:

• Keefe Bruyette upgraded Delphi Financial Group (NYSE: DFG) to Outperform from Market Perform.

• RightNow Technologies (NASDAQ: RNOW) was upgraded to Outperform from Neutral at Credit Suisse.

• Pacific upgraded Secure Computing (NASDAQ: SCUR) to Outperform from Sector Perform.

• Lehman raised Xcel Energy (NYSE: XEL) to Equal Weight from Underweight.

• Stanford upgraded Amylin Pharmaceuticals (NASDAQ: AMLN) to Buy from Hold.

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

MOST NOTEWORTHY: Amgen, Inc (AMGN), Secure Computing Corp (SCUR), Advanced Micro Devices (AMD) and Level 3 Communications (LVLT) were some of today's more notable downgrades:

• UBS downgraded shares of Amgen Inc (NASDAQ: AMGN) to Reduce from Neutral as the firm believes most Medicare carriers will drop reimbursement for Aranesp in certain types of anemia due to safety concerns.

• Goldman Sachs cut Secure Computing Corp (NASDAQ: SCUR) to Sell from Neutral, citing valuation.

• Thomas Weisel believes Advanced Micro Devices (NYSE: AMD) will have a difficult time regaining lost channel share from Intel (INTC) without additional price cuts, downgrading shares to Market Weight to Overweight.

• Buckingham cut Level 3 Communications (NASDAQ: LVLT) to Accumulate from Strong Buy on valuation.

OTHER DOWNGRADES:

• Deutsche Bank downgraded shares of Edison International (NYSE: EIX) to Hold from Buy.

• Wachovia downgraded shares of Countrywide Financial Corp (NYSE: CFC) to Underperform from Market Perform on concerns that subprime weakness has spread to other sectors of the residential mortgage market.

• Ferris Baker Watts downgraded shares of Comstock Homebuilding (NASDAQ: CHCI) to Hold from Buy to reflect the uncertainty regarding the company's lender relationships and homebuilding market outlook.

• Citigroup downgraded shares of StanCorp Financial Group (NYSE: SFG) to Hold from Buy on valuation and recommends swapping money into Assurant, Inc (AIZ).

• JP Morgan cut AngloGold Ashanti Ltd (NYSE: AU) to Underweight from Neutral.

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