Shares of

CommScope

(CTV) - Get Report

were among technology's winners Wednesday, climbing 10% after the maker of fiber-optic cable products boosted its first-quarter revenue and margin projections.

The company now sees revenue of $415 million to $425 million, up from an earlier forecast of $390 million to $410 million. Analysts polled by Thomson First Call project revenue of $404.2 million. CommScope expects operating margins of 12.5% to 13.5%, up from a previous view of 10.5% to 11.5%.

The company left its 2007 revenue guidance unchanged. In February, CommScope predicted full-year revenue of $1.72 billion to $1.76 billion. Analysts, on average, expect full-year revenue of $1.76 billion. Shares of CommScope were trading up $3.63 to $41.47.

Diamond Management & Technology Consultants

( DTPI) plunged 25% after the consulting firm cut its fiscal fourth-quarter guidance. The company now sees earnings of 6 cents to 7 cents a share for the quarter ending this month. Previously, Diamond predicted a profit of 8 cents to 10 cents a share. The company lowered its revenue projection to a range of $41.5 million to $42.5 million from a prior view of $44 million to $47 million.

"Our shortfall in the fourth quarter is due to several small and moderate-sized projects we expected to win during the months of February and March, but did not," the company said. Wall Street expected fourth-quarter earnings of 9 cents a share and revenue of $46.3 million. Shares were trading at $11.16, down $3.69.

Shares of

SeaChange International

(SEAC) - Get Report

slid 16% after the maker of digital video systems posted a wider-than-expected fourth-quarter loss. The company reported a loss of $3.7 million, or 13 cents a share, on revenue of $40.1 million. Analysts expected a loss of 4 cents a share and revenue of $41.3 million. A year earlier, the company reported a loss of $3.1 million, or 11 cents a share, on revenue of $33.2 million. Shares were trading down $1.53 to $8.07.

Ascent Solar Technologies

(ASTI)

soared 48% after the tech firm said that

Norsk Hydro

( NHY) bought 1.6 million shares of its stock in a private placement. Hydro purchased the shares for about $5.77 each, totaling roughly $9.2 million. Hydro now owns about 23% of Ascent. The purchase is a precursor to a strategic relationship between the companies, Ascent said. Shares were surging $2.21 to $6.86.

Shares of

SMTC

(SMTX) - Get Report

jumped 14% after the electronics manufacturing services company posted big gains in fourth-quarter earnings and revenue. The company earned $2.1 million, or 14 cents a share, up from $1.4 million, or 10 cents a share, a year earlier. Revenue rose to $76.1 million from $58.1 million.

"For the first time since the year 2000, the company grew year-over-year revenue, reflecting a combination of growth from long-standing customers and the effect of new customer additions in 2005 and 2006," SMTC said. Shares were trading up 38 cents to $3.11.

Other technology movers included

Sun Microsystems

(SUNW) - Get Report

, down 1 cent to $6.14;

Intel

(INTC) - Get Report

, down 4 cents to $19.08;

Microsoft

(MSFT) - Get Report

, up 28 cents to $27;

Cisco Systems

(CSCO) - Get Report

, up 14 cents to $25.64;

Qualcomm

(QCOM) - Get Report

, up $1.33 to $43.16;

Sirius Satellite Radio

(SIRI) - Get Report

, down 4 cents to $3.25;

Level 3 Communications

(LVLT)

, up 1 cent to $6.17; and

Apple

(AAPL) - Get Report

, up 22 cents to $88.62.