Profit, excluding some costs, fell to 80 cents per share, RIM said Thursday. Analysts predicted 88 cents, according to a Bloomberg survey. Revenue fell to $4.17 billion in the three months through Aug. 27, RIM said, compared with the average estimate of $4.47 billion.

RIM introduced a range of phones with more advanced touch-screen features last month, its first new models in a year, to try and shore up its eroding market share. That may not be enough if the BlackBerrys appeal just to existing users and not consumers buying smart phones for the first time, said Think-Equity Partners LLC analyst Mark McKechnie.

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Google and Groupon are said to have been locked in discussions for weeks over a possible deal, although neither company has commented on the latest speculation.

Groupon – which offers users discounts and special offers at shops and businesses in their local area – only launched in 2008, but is valued in excess of $1.3 billion, and reportedly generates revenues of more than $50 million per month.

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The deal also represents the latest purchase of a smaller security firm by a huge technology company, a trend some see continuing as big tech considers the importance of adding security to their product portfolio. ArcSight makes software that monitors corporate networks for unusual activity, such as a hacker’s attempt to break into a system.

ArcSight shares ended Monday trading up 25.1% at $43.91 on the Nasdaq, above H-P’s offer price of $43.50 a share, suggesting some traders may be expecting or hoping for a higher bid, similar to what happened with storage maker 3PAR Inc. last month. ArcSight, of Cupertino, Calif., had been quietly shopping itself to a handful of big technology companies, and the agreed-upon deal provides a 24% premium to ArcSight’s closing price Friday and a 70% premium to where it was trading a month ago.

On a conference call with investors, H-P executives declined to comment about the bidding process for ArcSight. They also wouldn’t speculate about what would have happened if Mr. Hurd remained CEO.

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Sony Corp., which has 185,000 employees worldwide, said Tuesday it will complete the job cuts — all in the electronics sector — by the end of March 2010.

The company will close several plants, including one in Dax, France, cut investment in electronics and outsource some work. The moves will deliver more than 100 billion yen ($1.1 billion) in savings a year by March 2010, the company said.

The global financial crisis is hitting the U.S., European, Japanese and emerging nations’ economies, said Senior Vice President Naofumi Hara.

“Now we are all facing a recession together,” he said. “It is impossible to predict how much longer the situation will last.”

Sony’s announcement comes amid similar news from other Japanese manufacturers, which face plunging demand at home and abroad, as well as falling gadget prices and currency fluctuations. But Sony’s job cuts are Japan’s biggest since the U.S. credit crunch hit over the summer.

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The Treasury Department and the Federal Reserve have been in discussions over the weekend to devise a strategy to stabilize the company, according to people familiar with the talks. They spoke on condition of anonymity because the discussions were ongoing.

One option being considered is taking some of the risky assets held by Citigroup off its balance sheet, a move that would give the company more breathing room and put it in a better position to raise capital. It was unclear, however, exactly how that option might be structured, the people said.

A spokesman for New York-based Citigroup declined comment.

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The Manhattan-based credit card issuer said it is also suspending management level salary increases next year and instituting a hiring freeze.

The job cuts will be across various business units, but will primarily focus on management positions, the company said.

Additionally, American Express said it plans to scale back investments in technology and marketing and business development, and streamline costs associated with some rewards programs. The company also expects to cut expenses for consulting and other professional services, travel and entertainment and general overhead.

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