By Benjamin Pimentel, MarketWatch

SAN FRANCISCO (MarketWatch)--Technology stocks took a dive Thursday, as shares of Facebook Inc., Apple Inc. and Google fell sharply in a broad market selloff.

Facebook (FB) tumbled 5%, while Google (GOOG) dropped more than 3% and Apple (AAPL) sank 1% as the tech sector slipped into negative territory.

The Nasdaq Composite Index (RIXF) dropped by 117 points, or nearly 3%, to 4,066. The Morgan Stanley High Tech 35 Index (MSH) was off 2%, while the Philadelphia Semiconductor Index (SOX) was down 2.4%.

Microsoft Corp. (MSFT) fell more than 2%, while Cisco Systems (CSCO) gave up 1.8%, joining the top decliners on the Dow Jones Industrial Average (DJI), which was down 200 points.

BlackBerry (RIMM) shares declined by 1.6% after Chief Executive John Chen sought to clarify the beleaguered company's plan for its struggling handset business.

Chen told Fox Business Network, "I don't have any plans to jettison the handset business. We love the handset business." The statement followed a Reuters report in which Chen was quoted as saying, "If I cannot make money on handsets, I will not be in the handset business."

Also in the red were shares of eBay Inc. (EBAY), which were off 2.5%. EBay said Thursday that it has reached a settlement with billionaire Carl Icahn, who has agreed to withdraw his proposal to spin off PayPal.

On the upside, shares of Hewlett-Packard (HPQ) were up 2%, one of the top gainers on the S&P 500 (SPX), which was down 0.4%. Deutsche Bank initiated coverage of H-P with a buy rating, saying, the company is "midway through a five-year turnaround, and thus far has done a good job of stabilizing the business."

Shares of IBM Corp (IBM) were up 0.6%. The company announced Thursday that it has acquired Silverpop, a cloud-based marketing services company based in Atlanta, Ga.

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