Phone Deals Dial Up Coverage Problems

AT&T Inc.’s hopes of salvaging its $39 billion acquisition of T-Mobile USA and heading off a long court battle now rest with its ability to come up with a package of divestitures that might convince the Justice Department to drop its objections to the merger.

IBM Tops Microsoft in Market Value

International Business Machines Inc. topped rival Microsoft Corp. in market valuation for the first time since 1996, the latest sign of the technology industry’s shift in emphasis away from the personal computer.

Icahn Prods Motorola to Explore Patent Sale

Carl Icahn lit a fire under shares of Motorola Mobility Holdings Inc. and opened up a potential battle with the company’s board, as the activist investor said he has urged the firm to explore options for its patent portfolio, in the wake of the $4.5 billion deal for Nortel Networks Corp.’s patents.

Hedge-Fund Investors Scout Out Web Firms

Spurred by their appetite for technology companies and seeking higher returns, a growing number of hedge-fund managers have started to invest more in private Internet companies.

Apple to GetJar: Drop App Store

In Apple Inc.’s latest effort to control its U.S. trademark for the term “App Store,” a law firm representing the company sent a cease-and-desist letter to wireless-application store operator GetJar.

IBM Crafts Succession Plan

As International Business Machines Corp. prepares to celebrate its centennial on Thursday, the contest to become the company’s ninth chief executive is heating up. People familiar with the thinking of Chief Executive Samuel J. Palmisano say he is seeking advice on how to handle the transition and that they expect him to designate a successor by appointing a president or operating chief in 12 to 18 months.

Cellphone Companies Defend Privacy Practices

U.S. lawmakers called for closer scrutiny of developers that make software for mobile phones, after wireless carriers highlighted them as a weak spot in keeping smartphone users’ locations private.

Google Takes Heat Over App Security

A major software attack on mobile phones has put pressure on Google Inc. to do more to secure its online store for smartphone applications. The company behind the now ubiquitous Android operating system came under fire after computer-security experts last week uncovered more than 50 malicious applications that were uploaded to and distributed from Google’s Android Market.

A Have and Have-Not Venture World

Top venture-capital firms including Accel Partners and Kleiner Perkins Caufield & Byers are riding the frenzy around companies like Facebook Inc. and Groupon Inc. to raise billions of dollars in new funds, even as the rest of the venture industry struggles to gather money.

Fortifying Phones From Attackers

As consumers and companies embrace smartphones to do more of their computing, the wireless industry is taking its first steps to beef up security on mobile devices. Carriers are deploying new services and cutting deals with start-ups to help protect people from malicious attacks and misuse of their personal data stored on a smartphone.