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

Analyst Upgrades

• DuPont (DD) was upgraded to buy from neutral at Goldman.
• UBS upgraded Deere (DE) to buy from neutral and AGCO (AGCO) to neutral from sell.
• Canadian Solar (CSIQ) was upgraded to outperform from neutral at Macquarie.
• Thoratec (THOR) and DTE Energy (DTE) were upgraded to overweight from equal weight at Barclays.
• NICE Systems (NICE) was upgraded to overweight from neutral at HSBC.
• Deutsche Bank upgraded Copa Holdings (CPA) to buy from hold.
• BofA/Merrill upgraded Nu Skin (NUS) to buy from neutral.
• Continental Resources (CLR) was upgraded to buy from hold at Jefferies.

"Some information technology areas have more dynamic growth prospects than others; a prime example is the emerging field of cloud computing," says growth stock specialist Stephen Leeb.

The editor of The Complete Investor explains, "One company in the forefront of this cutting-edge approach to information storage and management is EMC (EMC), a leader in digital data storage.

"Cloud computing refers to the storing of digital information -- documents, spreadsheets, software, etc. -- not on a company's or individual's own hard drive but in remote data centers, from which it can be accessed via the Internet.

Analyst Upgrades

• Deutsche Bank upgraded EMC (EMC) to buy from hold after channel checks indicated storage demand remains solid. The firm sees potential upside in 2011 from the company's new products and upped its target for shares to $25 from $20.
• BB&T upgraded American Commercial (ACLI) to buy with a $50 target based on pricing leverage and cost reductions.
• Argus upgraded Abercrombie (ANF) to buy with a $52 target based on accelerating comps.
• PerkinElmer (PKI) was upgraded to equal weight from underweight at Barclays.
• Valeant (VRX) was upgraded to market perform from underperform at Wells Fargo with a $26 to $28 valuation range.
• Blackrock (BLK) was upgraded to buy from hold at Deutsche Bank.

"With the uber-ambitious Ellison and Hurd now paired, I think the safe bet is we're going so see Oracle (ORCL) make some major moves (yes, probably more than one major acquisition)," suggests tech sector expert Paul McWilliams.

The editor of Next Inning explains, "After all, even without Hurd at his side, Oracle founder, Larry Ellison has been an aggressive buyer and now with Hurd on board I think the appetite could become ravenous.

"I think its probably a good idea to start thinking about what Oracle might do next.

The tail-end summer heat has been heavily attributable to the mergers and acquisitions blaze. Companies are putting their cash to work on public companies fetching discounted equity prices in a market environment favoring safety (e.g., gold and bonds).

Recently, Hewlett-Packard (HPQ) edged out Dell (DELL) for the 3Par deal award. With an eye toward the future, HP displayed their powerful desire to own a piece of the data storage and cloud computing pie. Since Dell ended empty-handed, it's only a matter of time before the next stock is a tech heavyweight's prime target.

Analyst Upgrades

• Oppenheimer upgraded VeriSign (VRSN) to outperform from perform, citing better-than-expected domain names trends and the potential for a sizeable share buyback. The firm has a $33 price target for shares.
• Oppenheimer also upgraded EMC (EMC) to outperform from perform, citing valuation and expectations for strong Q2 results. The firm set a $22 price target for shares.
• Piper Jaffray upgraded Juniper (JNPR) to overweight from neutral, citing valuation and its longer-term outlook. The firm keeps a $31 price target for shares.
• Kilroy Realty (KRC) was upgraded to neutral from underperform at BofA/Merrill.
• Veolia Environment (VE) was upgraded to buy from add at WestLB.
• QEP Resources (QEP) was upgraded to positive from neutral at Susquehanna.

Analyst Upgrades

• Deutsche Bank upgraded Barrick Gold (ABX) to buy from hold and reiterates a buy rating on Newmont Mining (NEM) after upping its 2011 gold forecast to $1,450 per ounce and 2012 forecast to $1,600 per ounce. The firm upped its target for Barrick shares to $53 from $45, for Newmont shares to $74 from $72, and on hold-rated Goldcorp (GG) and Kinross Gold (KGC) to $40 and $20, respectively.
• Citigroup upgraded General Dynamics (GD) to hold from sell following the recent pullback in shares. The firm keeps a $67 price target for the stock.
• UBS upgraded Public Service (PEG) to buy from neutral and has a $34 price target on the stock. The firm cites the company's solid balance sheet, earnings profile, and valuation for the upgrade.
• News Corp. (NWS) was upgraded to buy from hold at Soleil.
• AK Steel (AKS) was upgraded to neutral from underperform.
• Progress Energy (PGN) was upgraded to buy from neutral at BofA/Merrill.
• PNC Financial (PNC) was upgraded to outperform from market perform at Keefe Bruyette.

By Sam Collins

Last week's 1,000-point intraday sell-off and 6% fall in three sessions was followed Monday morning by a 300-plus point rally in the Dow on news of a European bailout plan. The past few days have shown us just how sensitive this market is to the news, especially concerning the ongoing European financial saga.

It's time to be very cautious, to prune laggards from your portfolios, raise cash and hold only quality stocks that will benefit most from the economic recovery. To help you with that, I've dissected the technical analysis on some hot stocks set for big moves right now -- and at the top of that list is EMC Corp. (EMC). Here's the chart that will prove to you why:

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

• Amazon.com Inc. (AMZN) better-than-expected Q4 numbers due to strong holiday sales of media products.
• BlackRock Inc. (BLK) reported strong Q4 results and doubled assets under management due to an acquisition.
• Caterpillar Inc. (CAT) shares fell despite better-than-expected Q4 earnings as guidance fell short of the Street view.
• DeVry Inc. (DV) reported better-than-expected Q2 numbers due to increasing enrollments, which lifted shares.
• EMC Corp. (EMC) reported strong Q4 results that beat the Street view and offered full-year guidance.
• General Dynamics Corp. (GD) Q4 results fell short of expectations and its guidance was less than estimates.