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Tech Winners & Losers: Applied Signal

The stock gets a lift after it doubled its earnings in the third quarter.
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Tech stocks joined the rest of the market indices in an afternoon rally, with the Nasdaq gaining 1% to 2388.

Shares of

Applied Signal Technology

(APSG)

got a lift on Wednesday after the company beat Wall Street estimates and doubled its third-quarter earnings from a year ago. The stock was up 7% to $16.

China Mobile's

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shares were up 3.1% to $61.77. The company reported a 45% jump in first-half profit, which covers January through June. China Mobile also grew its first-half revenue by 18%.

Sun Microsystems

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(JAVA)

shares were down 4.1% to $9.15 following a report from research firm IDC that showed the company losing market share to

IBM

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.

Sun's market share fell to 11.2% from 12.8% while IBM's grew to 33.2% from 31.1% a year ago.

SI International's

(SINT) - Get SINTX Technologies, Inc. Report

shares were soaring 36% to $31.02 on news that it would be acquired by Serco Group of Britain.

SI International provides information technology and outsourcing services to the Department of Defense and other clients. Serco agreed to purchase the company for $32 per share in cash, a 40% premium to SI's closing price on Tuesday.