NEW YORK (TheStreet) -- Fire safety products company China Fire & Security Group (CFSG) was surging 17.3% to $8.60 in premarket trading Monday on news that it has agreed to be bought private-equity firm Bain Capital for a potential $265.5 million.

LinkedIn

(LNKD)

, which recently made its public debut, was falling 3.3% to $90.06 as

Reuters

reported that the social networking site has security flaws that could make user accounts vulnerable to hackers.

Shares of

Sony

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were falling 2.8% to $26.30 in premarket trading Monday after the electronics company said Monday it would post

a loss of 260 billion yen

($3.19 billion) for its just-ended fiscal year because of the impact of the March 11 Japanese earthquake and tsunami.

Hotel and casino operator

Las Vegas Sands

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was falling 1.2% to $41.23 amid reports that it is seeking a $3.525 billion loan for its Macau assets,

Bloomberg

reported.

The founder of

Dell

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computer company, Michael Dell, on Tuesday will make another attempt to execute the company's consumer electronics goals with a $999 laptop that is expected to compete better against

Apple's

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Macbook,

The Wall Street Journal

reported. Shares of Dell were down 1% to $15.85.

Toyota

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(TM) - Get Toyota Motor Corp. Sponsored ADR Report

was falling 0.8% to $79.36 after saying Monday it was

forming a private social network

with cloud computing services firm

Salesforce.com

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for Toyota's customers and their cars. Salesforce.com shares were down 1.5% to $144.50.

National Semiconductor

(NSM)

was rising 0.4% to $24.55 after the chipmaker and its peer

Texas Instruments

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said that the U.S. antitrust review for TI's proposed acquisition of National Semi has ended without a request for additional information. Texas Instruments shares were falling 0.7% to $34.75.

Campbell Soup

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posted third-quarter earnings of 57 cents a share vs. the average analyst expectation of 52 cents a share. Shares were down 0.3% to $35.15.

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