IBM (IBM) sells middleware software and technology services such as outsourcing and integration to large and medium sized businesses worldwide, and competes with firms like Oracle (ORCL) and Red Hat (RHT). IBM is also among the global leaders in business systems and competes with hardware vendors like Hewlett-Packard (HPQ) and Dell (DELL) in the server market as well as firms like EMC (EMC) and NetApp (NTAP) in the storage market.

In a recent development, IBM announced the launch of a new software and consulting service targeted at helping companies swiftly adapt to rising customer demands in today's digitally transformed marketplace. The firm chooses to call this new emerging category "Smarter Commerce," keeping in line with its Smarter Planet initiative. We have earlier discussed IBM's focus on its Smarter Planet initiative and how the firm stands to benefit from it. (See IBM's Smarter Planet Initiatives Lay Groundwork for Growth.)

NetApp (NTAP) creates innovative storage and data management solutions for small and medium-sized companies around the world. It competes mainly with EMC (EMC), IBM (IBM), HP (HPQ) and Dell (DELL) in the external disk storage systems market.

Over the years NetApp revenues coming from distribution partners (or the indirect channel) have grown significantly and now generate nearly 75% of its total sales. Some of NetApp's major distribution partners include Arrow Electronics, Avnet Hall-Mark and IBM.

Analyst Upgrades

• Hyatt Hotels (H) and Hospitality Properties (HPT) to outperform from neutral at RW Baird.
• AB InBev (BUD) to buy from neutral at Goldman.
• Amerisafe (AMSF) to buy from hold at Wunderlich.
• Northrop Grumman (NOC) to sector perform from underperform at RBC Capital.
• China Lodging Group (HTHT) to buy from hold at Brean Murray and to buy from neutral at Roth Capital.

IBM (IBM) sells middleware software and technology services such as outsourcing and integration to large and medium-sized businesses worldwide, and competes with firms like Oracle (ORCL) and Red Hat (RHT). IBM is also among the global leaders in business systems and competes with hardware vendors like HP (HPQ) and Dell (DELL) in the server market, as well as storage firms like EMC (EMC) and NetApp (NTAP) in the storage market.

Since September, the tech trade has been a no-brainer. Yet investing in fast markets can be dangerous -- and we are already seeing companies that can't meet inflated expectations.

Take a look at NetApp (NTAP), which is a top data storage company. On its quarterly earnings report, the stock price plunged nearly 10% to $52.72.

Analyst Upgrades

• Abercrombie & Fitch (ANF) to positive from neutral at Susquehanna.
• tw telecom (TWTC) to outperform from neutral at Cowen.
• Agree Realty (ADC) to buy from neutral at Janney Capital.
• Millicom (MICC) to buy from neutral at Nomura.
• BioMed Realty (BMR) to outperform from market perform at FBR Capital.
• Realty Income (O) to buy from neutral at BofA/Merrill.

We're well into the quarter now and the earnings reports continue to roll out.

This week, Dell (DELL) highlights a handful of results from tech companies. Analysts surveyed by Thomson Reuters are looking for fourth-quarter earnings of 37 cents per share from the one of the world's top PC purveyors. That's up from 28 cents per share during the same period a year ago. Dell also is expected to report its revenue grew 5.5% year over year to $15.7 billion, for the three months that ended in January.

Analyst Upgrades

• Aetna (AET) to buy from neutral at Goldman.
• Kellogg (K) to buy from neutral at UBS.
• PetSmart (PETM) to outperform from market perform at JMP Securities.
• NetApp (NTAP) and Scripps Networks (SNI) to buy from hold at Wunderlich.
• Thoratec (THOR) to buy from hold at Auriga.
• ArcelorMittal (MT) to overweight from neutral at HSBC.
• Bristol-Myers (BMY) to outperform from neutral at Cowen.
• Eaton Vance (EV) to neutral from sell at Ticonderoga.
• Adtran (ADTN) to buy from underperform at BofA/Merrill.

Analyst Upgrades

• Amgen (AMGN) to overweight from neutral at Piper Jaffray.
• Goodrich Petroleum (GDP) to outperform from market perform at Wells Fargo.
• Tutor Perini (TPC) to buy from neutral at UBS.
• Covidien (COV) to buy from neutral at Goldman.
• Sara Lee (SLE) and Comcast (CMCSA) to outperform from market perform at Bernstein.
• Research In Motion (RIMM) to outperform from sector perform at FBN Securities.

Analyst Upgrades

• Google (GOOG) to outperform from neutral at Wedbush.
• Nike (NKE) to buy from neutral at UBS.
• Apollo Group (APOL) to market perform from underperform at FBR Capital.
• JDSU (JDSU) to overweight from neutral at Piper Jaffray.
• NetApp (NTAP) to overweight from equal weight and Verigy (VRGY) to equal weight from underweight at Barclays.
• RSC Holdings (RRR) to outperform from neutral at RW Baird.
• Exelon (EXC) to buy from hold at Jefferies.
• Aon (AON) and Willis Group (WSH) to outperform from market perform at Keefe Bruyette.
• BMC Software (BMC) to outperform from neutral at Cowen.

Analyst Upgrades

• Qualcomm (QCOM) was upgraded to outperform from neutral at Credit Suisse.
• JPMorgan upgraded Allegheny Tech (ATI) to overweight from neutral.
• NetApp (NTAP) was upgraded to buy from hold at Canaccord.
• Estee Lauder (EL) was upgraded to perform from underperform at Oppenheimer.
• Citigroup upgraded Suntech (STP) to hold from sell.

Analyst upgrades:

• Bernstein upgraded Hospira (HSP) to Outperform from market Perform based on valuation, expectations that the company will be able to fix manufacturing issues quickly, and views Propolfol and biosimilars as underappreciated. The firm has a $63 price target on the stock.
• Citigroup upgraded eBay (EBAY) to Buy from Hold citing valuation and improvements to Marketplace. The firm keeps a $28 price target for shares.
• Deutsche Bank upgraded Coca-Cola Femsa (KOF) to Hold from Sell citing lessening acquisition risk and raised its target for shares to $66 from $61.
• Blackstone (BX) and Simon Property (SPG) were upgraded to Conviction Buy from Buy at Goldman.
• BreitBurn Energy (BBEP) was upgraded to Outperform from Market Perform at Wells Fargo.
• SL Green Realty (SLG) was upgraded to Buy from Neutral at BofA/Merrill.

"Each week, we assess the market's strongest stocks and highlight ten that appear to offer the best prospects," explains Mike Cintolo.

The editor of Cabot Top Ten adds, "Below, we offer our fundamental and technical analysis of three technology stocks that meet this criteria: F5 (FFIV), a player in cloud computing; NetApp (NTAP), a leader in networked data storage; and SanDisk (SNDK), the global leader of the solid state flash memory industry.

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.