Quarterly Earnings

Investment capital continued to flow into the mobile social networking space as two new startups closed their first rounds of funding.Project Goth, which operates the “global mobile Internet community” mig33, …

American Tower Corp., one of the big three in the wireless tower industry, showed positive growth in its financial results for the first quarter of 2007. The company’s total revenue …

As it continues to be the target of rumors of an acquisition by one of its larger competitors, Alltel Corp. enthusiastically reported double-digit revenue growth during the first quarter. Revenues …

Virgin Mobile USA Inc., the first mobile virtual network operator to launch in the United States, filed for an initial public offering in a move that signals the maturation of …

New Motion Inc. completed its reverse stock split and adopted a new ticker symbol.The mobile entertainment company put the wraps on a 1-for-300 reverse split of common stock and converted …

The following list includes ratings changes and financial information for wireless companies announced this week by investment-banking and financial-services firms.Carrier –Credit Suisse First Boston upgraded Qwest Communications International to neutral …

After a flurry of discouraging news in recent months, Nortel Networks Ltd. released brighter financial results for the first quarter and better expectations for the remainder of the year. First-quarter …

Despite a $2 million net loss in its most recent quarter, Andrew Corp. announced steady growth in sales. The news appeared to please investors, which sent the company’s stock up …

Mobile games publisher Glu Mobile Inc. reported improvements in both revenues and earnings for the first quarter, news that appeared to please the company’s investors. Glu’s stock was up almost …

After a flurry of discouraging news in recent months, Nortel Networks Ltd. released brighter financial expectations for the first quarter and remainder of the year. The company also announced it …

RadioShack Corp. appears to have pulled out of its tailspin, reporting a five-fold increase in net income in the first quarter.The retail chain said it netted $42.5 million in the …

Sonopia Inc. pocketed $12.7 million in a second round of funding led by Cardinal Venture Capital.The Silicon Valley startup serves as a kind of customizable mobile virtual network operator, providing …

Juice Wireless hauled in $2.3 million from Qualcomm Inc. and 21 Ventures as part of a second funding round, according to a Juice representative.The New York-based startup is hoping to …

Prudential Equity Group downgraded Sprint Nextel Corp. ahead of the carrier’s quarterly earnings, and cut the company’s target stock price from $17 to $16, according to news reports.Prudential cited concerns …

Syniverse Holdings Inc. said its revenues and profit grew during the first quarter, news that sent the company’s stock skyrocketing by 20 percent to $12.38 per share.The company said its …

Internet service provider Earthlink Inc. announced a net loss of $30 million for the first quarter of 2007, including a $29.3 million loss on its mobile virtual network operator endeavor …

Mobile marketing startup Limbo 41414 pocketed $8 million in a financing round led by Azure Capital Partners, Draper Fisher Jurvetson and New Enterprise Associates.The Burlingame, Calif.-based firm said it will …

The following list includes ratings changes and financial information for wireless companies announced this week by investment-banking and financial-services firms. Carrier Prudential Equity Group raised its estimates on AT&T after …

Tellabs Inc. said its first-quarter net profit plummeted 51 percent and revenues fell 12 percent as the company suffered decreased sales of its broadband and access products.The Naperville, Ill.-based equipment …

Although Alcatel-Lucent warned of lower revenues and an operating loss for the first quarter, it appears that investors had expected worse as the company’s stock rose more than 5 percent …

Texas Instruments Inc. reported revenue of $3.2 billion and net profit of $516 million, down 4 percent and nearly 12 percent, respectively, over the year-ago quarter. The chip vendor said …

Clearwire Corp. unveiled a handful of operating results for the first quarter, claiming “record subscriber growth” of more than 25 percent from its year-end 2006 customer levels. Clearwire said that …

The following list includes ratings changes and financial information for wireless companies announced this week by investment-banking and financial-services firms. Carrier Lehman Bros. raised its price target on Leap Wireless …

Convergence networking technology company Mavenir Systems Inc. said it snared $20.5 million in a second round of funding.New investor Alloy Ventures led the round, and existing backers Austin Ventures and …

Clearwire Corp. unveiled a handful of operating results for the first quarter, claiming “record subscriber growth” of more than 25 percent from its year-end 2006 customer levels. Clearwire said that …