Shares of Alcatel-Lucent ( ALU) were among technology's losers Tuesday, sliding 8% after the telecom-equipment maker warned that fourth-quarter revenue would be short of Wall Street's expectation.

The Paris-based company estimates revenue of 3.87 billion euros, or roughly $5.02 billion. Analysts polled by Thomson Financial project revenue of $5.33 billion. On a pro forma basis, adjusting for the Alcatel and Lucent merger, the company projects revenue of 4.42 billion euros. That's down from 5.25 billion euros a year earlier. Meanwhile, the company projects break-even operating results, down from a profit of 570 million euros a year ago. Shares were trading down $1.13 to $13.06.

StarTek ( SRT) plunged 24% after the technology outsourcing company put fourth-quarter results well below Wall Street's forecast. The company expects to report earnings of 7 cents to 9 cents a share, with revenue of about $59 million. Analysts project a profit of 16 cents a share on revenue of $64.8 million. Shares were trading down $3.19 to $9.55.

Tellabs ( TLAB) traded actively after the telecom-equipment maker posted mixed fourth-quarter results. Tellabs reported posted fourth-quarter earnings of $29 million, or 7 cents a share. Excluding items, the company earned $47 million, or 10 cents a share, a penny above analysts' mean estimate. Revenue totaled $455 million, shy of Wall Street's projection of $463.4 million. In the year-earlier period, Tellabs recorded adjusted earnings of $100 million, or 22 cents a share, on revenue of $521 million.

For the first quarter, Tellabs anticipates revenue of $445 million to $455 million, below analysts' projection of $495.2 million. Shares were trading up 7 cents to $10.09.

Shares of Mindspeed Technologies ( MSPD) rose 7% after the network-equipment concern posted in-line results and gave a revenue forecast that pleased investors. The company reported a first-quarter loss of $11.3 million, or 10 cents a share, on revenue of $30.2 million. Excluding items, the loss was $6.3 million, or 6 cents a share. Analysts expected a loss of 6 cents a share and revenue of $30.2 million. During the year-earlier period, the company posted a loss of $5.5 million, or 5 cents a share, on revenue of $33.2 million.

For the quarter ending in March, Mindspeed projects sequential revenue growth of 7% to 13%, which implies revenue of $32.3 million to $34.1 million. Analysts project revenue of $32.8 million. Shares were trading up 13 cents to $1.98.

Texas Instruments ( TXN) rose 4% after the chipmaker posted better-than-expected fourth-quarter results. The company earned $668 million, or 45 cents a share, on revenue of $3.46 billion. The results included a tax benefit of 5 cents a share. Analysts expected earnings of 38 cents a share and revenue of $3.43 billion. During the year-earlier quarter, the company earned $655 million, or 40 cents a share, on revenue of $3.32 billion.

Looking ahead, Texas Instruments forecast first-quarter earnings of 28 cents to 34 cents a share. The company sees revenue of $3.01 billion to $3.28 billion. Analysts project earnings of 35 cents a share and revenue of $3.3 billion. Shares were trading up $1.21 to $29.80.

Other technology movers included Cisco Systems ( CSCO), down 13 cents to $26.40; Apple ( AAPL), up 11 cents to $86.90; Intel ( INTC), up 5 cents to $20.84; Sirius Satellite Radio ( SIRI), up 10 cents to $3.95; Microsoft ( MSFT), up 9 cents to $30.81; Sun Microsystems ( SUNW), unchanged at $5.75; Level 3 Communications ( LVLT), up 2 cents to $5.95; Applied Materials ( AMAT), down 1 cent to $17.95; and Oracle ( ORCL), up 21 cents to $17.21.

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