TORONTO (Reuters) - A wave of optimism surrounding the launch of Research In Motion's re-engineered BlackBerry line picked up momentum on Thursday with Goldman Sachs raising its rating on the smartphone maker and setting off a surge in its share price. The brokerage firm joined a growing chorus of analysts who have warmed to the prospects of a successful introduction of the new BlackBerry 10 devices, which RIM hopes will let it claw back market share lost to Apple Inc's iPhone and smartphones powered by Google's Android platform. ...

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DUBAI (Reuters) - Lenovo Group Ltd, on track to become the world's top PC maker, has bolstered its presence in Europe, the Middle East and Africa (EMEA) and aims to raise regional operating margins by about 50 percent, a top company executive said on Wednesday. The Chinese company's profit growth slowed in the second quarter, although it beat expectations and outpaced results from its main rivals, such as Hewlett-Packard Co, Dell Inc and Acer Inc. ...

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SAN FRANCISCO (Reuters) - Shares of Facebook Inc jumped nearly 13 percent on Wednesday, as investors breathed a sigh of relief that expiring trading restrictions on a huge block of shares failed to trigger an immediate wave of insider selling. "While the lockup is expiring, there is nothing requiring anybody to sell," said Tim Ghriskey, chief investment officer at Solaris Group in Bedford Hills, New York. "Given the low price, these long-term holders are deciding to hold the stock, and that is lifting it here as the fear of the expiration subsides. ...

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SAN FRANCISCO (Reuters) - Zynga Inc laid off 5 percent of its full-time workforce and shut its Boston office on Tuesday as it embarked on a sweeping cost-cutting campaign that may eventually see the "FarmVille" game creator close its Japanese and British studios as well. The company, which is trying to arrest a steep decline in earnings as users gradually migrate onto mobile devices or rival games, plans to "sunset" 13 unspecified older titles, Chief Executive Mark Pincus said in a staff memo on Tuesday that was published on the company blog. ...

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SAN FRANCISCO (Reuters) - Zynga Inc laid off 5 percent of its full-time workforce and shut its Boston office on Tuesday as it embarked on a sweeping cost-cutting campaign that may eventually see the "FarmVille" game creator close its Japanese and British studios as well. The company, which is trying to arrest a steep decline in earnings as users gradually migrate onto mobile devices or rival games, plans to "sunset" 13 unspecified older titles, Chief Executive Mark Pincus said in a staff memo on Tuesday that was published on the company blog. ...

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SAN FRANCISCO (Reuters) - Zynga Inc laid off 5 percent of its full-time workforce and shut its Boston office on Tuesday as it embarked on a sweeping cost-cutting campaign that may eventually see the "FarmVille" game creator close its Japanese and British studios as well. The company, which is trying to arrest a steep decline in earnings as users gradually migrate onto mobile devices or rival games, plans to "sunset" 13 unspecified older titles, Chief Executive Mark Pincus said in a staff memo on Tuesday that was published on the company blog. ...

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Lenovo Group, the world's second-largest personal computer maker, said Wednesday its quarterly profit rose 59 percent over a year earlier on record sales.

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Mobile phone sales worldwide reached 419.1 million units in Q1 2012, a 2% decrease compared to the same period last year, Gartner's latest report says.

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