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

• Axsys Technologies Inc. (NASDAQ: AXYS) beat estimates for the fourth quarter and raised its guidance.
• Deli Inc. (NASDAQ: DELL) missed expectations for the fourth quarter despite its move into retail outlets.
• Goldman Sachs Group Inc. (NYSE: GS) is lowering expectations for the quarter just ended.
• Home Depot Inc. (NYSE: HD) missed expectations, dragged down by the housing slump.
• Lowe's Cos. Inc. (NYSE: LOW) beat low expectations though profit fell due to the housing slump.
• Nordstrom Inc. (NYSE: JWN) beat estimates, though earnings and revenue fell.
• Office Depot Inc. (NYSE: ODP) fourth-quarter profits sank, falling short of Wall Street expectations.
• RadioShack Corp. (NYSE: RSH) beat expectations as lower operating costs offset lower same-store sales.
• Sears Holdings Corp. (NASDAQ: SHLD) missed estimates as both earnings and revenue fell.
• Sprint Nextel Corp. (NYSE: S) posted a fourth-quarter loss on acquistions-related write-downs.
• Toll Brothers Inc. (NYSE: TOL) swung to a $96 million loss, another victim of the housing slump.

Also, analysts predict that bank losses will be the highest in 20 years. See Jim Cramer's take on Lowe's and Nordstrom results. Timothy Sykes recommends investors not become starstruck by superstar companies such as Apple Inc. (NASDAQ: AAPL) and Google Inc. (NASDAQ: GOOG).

Upcoming results to watch for include Staples Inc. (NASDAQ: SPLS), Costco Wholesale (NASDAQ: COST), and Blockbuster Inc. (NYSE: BBI).

Visit AOL Money & Finance for more earnings coverage.

MOST NOTEWORTHY: Under Armor Inc (NYSE: UA) and Cardinal Health Inc (NYSE: CAH) are today's most notable upgrades:

• Credit Suisse upgraded Under Armor Inc (NYSE: UA) to Outperform from Neutral with a $65 target and believes that the company is emerging as one of the premier global athletic brands.

• JMP Securities upgraded shares of Cardinal Health Inc (NYSE: CAH) to Outperform from Market Perform to reflect their expectation for accelerated earnings growth over the next three years.

OTHER UPGRADES:

• Friedman, Billings upgraded shares of Urban Outfitters Inc (NASDAQ: URBN) to Outperform from Market Perform to reflect positive momentum in URBN's core division, inventory control and easy upcoming comps.

• Stanford upgraded shares of Vonage Holdings (NYSE: VG) to Hold from Sell on valuation.

• Goldman Sachs upgraded the US Homebuilding Sector to Neutral from Sell saying the worst may be behind the group, but fundamentals remain troubling. The analyst said the next meaningful data will be from the Spring selling season, 6-8 weeks away.
• Goldman upgraded D.R. Horton Inc (NYSE: DHI), MDC Holdings Inc (NYSE: MDC) & Toll Brothers Inc (NYSE: TOL) to Buy from Neutral due to lower-risk at this point in the cycle. The Ryland Group Inc (NYSE: RYL) was upgraded to Neutral from Sell.

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