Shares of DTS ( DTSI) were among technology's winners Tuesday, climbing 12% after the digital-audio technology company posted higher-than-expected first-quarter results.

The company earned $7 million, or 38 cents a share, on revenue of $28.7 million. Results included stock-based compensation costs of $619,000, or 2 cents a share. Analysts polled by Thomson First Call expected earnings of 32 cents a share and revenue of $25.1 million. During the year-earlier quarter, the company earned $3.6 million, or 19 cents a share, on revenue of $22.1 million. Results during the year-earlier quarter included a charge of $2.6 million, or 9 cents a share. "We are pleased with our results across the business in the first quarter, where we had good financial performance and continued to position ourselves for stronger growth in the coming years," DTS said. Shares were trading up $2.33 to $21.85.

Glenayre Technologies ( GEMS) plummeted 33% after the company posted a first-quarter loss and said it was recently notified that it wouldn't be included in Sprint Nextel's ( S) voice-mail vendor selection process. The provider of messaging systems posted a loss from continuing operations of $6.7 million, or 10 cents a share, on revenue of $86.4 million. One analyst had a forecast for a loss of 3 cents a share and revenue of $82.4 million. A year earlier, the company earned $1.8 million, or 3 cents a share, on revenue of $17.9 million.

As a result of the Sprint Nextel decision and soft domestic market, Glenayre now expects its 2006 messaging revenue to be equal to or slightly below last year's results. "Given our outlook for the domestic market and Sprint Nextel's vendor decision, we are working to adjust our expense structure to bring it in line with our revised expectations for the year," the company said. Shares were trading down $1.90 to $3.93.

Shares of aQuantive ( AQNT) rose 8% after the digital marketing services company's first-quarter results topped forecasts. The company earned $7.6 million, or 10 cents a share, up from $6.4 million, or 9 cents a share, a year earlier. Revenue jumped to $92.2 million from $65 million. Analysts expected earnings of 6 cents a share on revenue of $84.8 million.

Looking ahead, aQuantive sees second-quarter earnings of 10 cents to 12 cents a share, with revenue of $96 million to $100 million. Analysts project earnings of 10 cents a share and revenue of $95.5 million. Shares were up $1.99 to $26.55.

Ditech Communications ( DITC) jumped 17% after the telecom-equipment maker projected fiscal fourth-quarter results above analysts' forecasts. The company estimates that earnings for the quarter ended April 30 will be 6 cents to 7 cents a share, with revenue of $20 million. Analysts project earnings of 4 cents a share on revenue of $18.2 million. For the first quarter, the company sees sequential sales growth of about 10%, implying sales of about $22 million. Analysts project sales of $18.7 million. Shares were trading up $1.72 to $11.20.

Shares of InPhonic ( INPC) climbed 15% after the wireless services and products company posted better-than-expected first-quarter results. The company reported a loss of $3.9 million, or 11 cents a share, on revenue of $87.4 million. Excluding items, the company posted pretax earnings of $1.4 million, or 4 cents a share. Analysts expected a loss of 1 cent a share and revenue of $83.5 million. A year earlier, the company posted a loss of $7 million, or 21 cents a share, on revenue of $68.2 million.

For the second quarter, InPhonic sees adjusted earnings of 6 cents to 10 cents a share, above analysts' mean estimate of 5 cents. The company predicts second-quarter revenue of $90 million to $95 million, bracketing Wall Street's target of $93.1 million. Shares were trading up $1.11 to $8.46.

Other technology movers included Dell ( DELL), down $1.11 to $25.32; Microsoft ( MSFT), up 4 cents to $23.77; Sun Microsystems ( SUNW), up 5 cents to $5.13; Intel ( INTC), down 19 cents to $19.92; Sirius Satellite Radio ( SIRI), down 12 cents to $4.60; Cisco Systems ( CSCO), down 13 cents to $21.63; Lucent Technologies ( LU), down 6 cents to $2.76; JDSU ( JDSU), up 10 cents to $3.41; Applied Materials ( AMAT), down 39 cents to $18.52; and Oracle ( ORCL), up 1 cent to $14.24.

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