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Oppenheimer has upgraded telecom giant Verizon Communications to outperform from perform, saying that the company is poised to benefit from the cloud computing trend.

The companies whose shares are moving in pre-market trade on Tuesday are: Temple-Inland, Synovus Financial, Expedia, Meadwestvaco, Verizon Communications, Weyerhaeuser, Carnival Corp, Pep Boys-Manny, Cliffs Natural Resources, Sprint Nextel and Citrix Systems Inc.

Sprint Nextel has formally asked U.S. regulators to block AT&T Inc's proposed $39 billion purchase of T-Mobile USA, saying the deal has no public interest benefit and would harm competition even if it comes with conditions.

Federal telecommunications regulators have asked AT&T Inc for more information on its planned merger with T-Mobile USA, including claims on spectrum shortages, coverage overlaps and plans to close facilities.

Wedbush Securities views recent weakness likely due to concerns and confusion over the AT&T (NYSE: T) renewal, as an opportunistic entry point in shares of Synchronoss Technologies, Inc. (NASDAQ: SNCR). The brokerage reiterated its outperform rating on shares of Synchronoss with a price target of $36.

Yahoo! (NASDAQ:YHOO), the premier digital media company, today announced that the latest version of Yahoo! Mail will roll out of beta testing and be available for all 284 million users worldwide to upgrade in the coming weeks. Already one of the largest and most trusted email brands in the world, Yahoo! Mail brings conversations to life through a faster, safer, and more personal communications experience. Yahoo! will also make the latest version of Yahoo! Mail available to its global partners, i...

Leap Wireless International Inc is opposing AT&T Inc's planned $39 billion acquisition of T-Mobile USA on the grounds that it would harm consumers.

AT&T Inc has promised to give Deutsche Telekom $6 billion in assets, services and cash as a break-up fee if U.S. regulators reject its proposed $39 billion purchase of the German company's T-Mobile USA, according to sources familiar with the matter.

AT&T Inc has promised to give Deutsche Telekom $6 billion in assets, services and cash as a break-up fee if U.S. regulators reject its proposed $39 billion purchase of the German company's T-Mobile USA, according to sources familiar with the matter.

A new emergency system that sends alerts to cellphones will be launched in New York City and Washington D.C. by major mobile device companies.

Cablevision Systems Corp posted a higher profit on Thursday, but shares fell as it added fewer Internet and phone subscribers than expected in its core New York area.

The Justice Department has decided to pursue an in-depth investigation of AT&T's plan to buy of T-Mobile USA, according to a source familiar with the deal.

The Justice Department has decided to pursue an in-depth investigation of AT&T's plan to buy of T-Mobile USA, according to a source familiar with the deal.

Jefferies & Co. said LM Ericsson Telephone Co.'s (NASDAQ: ERIC) strong first quarter results reinforce its view that Alcatel-Lucent (NYSE: ALU) will report solid -- if not strong -- first quarter results.

Verizon Wireless was scrambling on Wednesday to resolve an outage of its highest-speed U.S. wireless network, on which the top U.S. cellular carrier is relying to drive future growth.

Jefferies & Co. reiterated its buy rating on shares of Alcatel-Lucent (NYSE: ALU) ahead of first quarter earnings results, with a price target of 5 euros.

AT&T Inc told communications regulators its $39-billion bid to buy Deutsche Telekom AG's T-Mobile USA would let it build high-speed wireless services reaching more than 97 percent of U.S. users.

AT&T Inc's $39 billion bid to buy Deutsche Telekom AG's T-Mobile USA would let it build high-speed wireless services for more than 97 percent of the United States, it said in a U.S. government filing on Thursday.

Verizon Communications has considered developing an Internet video service that would work outside of its network region but is not pursuing it right now, according to the company's chief financial officer.

Verizon Communications has considered developing an Internet video service that would work outside of its network region but is not pursuing it right now, according to the company's chief financial officer.

Verizon Wireless is still evaluating whether or not it will distribute the PlayBook tablet computer from Research In Motion, the biggest U.S. mobile operator said on Wednesday.

Sprint Nextel Corp CEO Dan Hesse attacked rival AT&T Inc's planned acquisition of T-Mobile USA on Friday, saying a tie-up between the two would hurt innovation and set the country's wireless industry back.

Senators John Kerry and John McCain introduced a tough new privacy bill on Tuesday that would require companies to notify consumers in clear language when their data is being collected and oblige them to keep that information safe from hackers.

Senators John Kerry and John McCain introduced a tough new privacy bill on Tuesday that would require companies to notify consumers in clear language when their data is being collected, and oblige them to keep that information safe from hackers

The House of Representatives voted on Friday to reject Internet neutrality rules that were adopted last year to keep big Internet service providers from blocking certain traffic

Customers of Verizon Communications had their email addresses exposed in a massive online data breach last week, according to an email to customers obtained by Reuters.

Vodafone emerged on top after it finally sold its stake in France's SFR to Vivendi which, like other recent buyers, paid a full price to secure control in a major realignment of the telecoms sector.

A U.S. lawmaker with oversight of technology expressed concern that AT&T Inc's plans to take over T-Mobile USA would stifle innovation in the wireless market.

Sprint Nextel urged regulators to block AT&T Inc's $39 billion bid to buy Deutsche Telekom AG's T-Mobile USA.