- Associated Press - Monday, September 13, 2010

Hewlett-Packard Co.’s $1.5 billion deal to buy security company ArcSight Inc. is the latest effort by a major tech company to branch into newer businesses.

Here is a look at some of the acquisitions over the past several months.

July 1: Hewlett-Packard Co. completes its $1.2 billion acquisition of smart phone maker Palm Inc.

July 8: Dell Inc. agrees to buy Scalent, a privately held maker of software for managing data-center infrastructure, for an undisclosed amount.

July 16: Cisco Systems Inc. buys privately held CoreOptics Inc., which makes technology for helping Internet service providers handle the growing traffic on their networks, for $99 million.

July 19: Dell announces it will buy privately held Ocarina Networks, which makes technology to compress data and remove duplicate information, for an undisclosed amount.

July 20: IBM Corp. buys BigFix Inc., a privately held business security and compliance software company, for an undisclosed amount.

Aug. 2: IBM buys privately held Web analytics software company Coremetrics for an undisclosed amount.

Aug. 10: IBM buys privately held business management software company Datacap Inc. for an undisclosed amount.

Aug. 13: IBM agrees to buy marketing software company Unica Corp. for $480 million.

Aug. 16: Intel Corp. agrees to buy the cable modem chip-making business from Texas Instruments Inc. for an undisclosed amount.

Aug. 17: HP agrees to buy privately held computer-security software maker Fortify Software Inc. for an undisclosed amount.

Aug. 19: Intel Corp. agrees to buy computer-security software maker McAfee Inc. for $7.68 billion.

Aug. 26: HP buys privately held database and application automation company Stratavia Inc. for an undisclosed amount.

Aug. 27: IBM buys Sterling Commerce, which makes software that helps businesses buy and sell to each other, from AT&T Inc. for $1.4 billion.

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