Thursday's Tech Winners & Losers

Shares of JDSU(JDSU Quote) were among technology's losers Thursday, plunging 14% after the optical parts maker posted in-line fourth-quarter earnings but issued a first-quarter revenue projection below expectations.

For the period ended June 30, the company reported a loss of $45.8 million, or 3 cents a share, on revenue of $318.2 million. Excluding items, the company's loss totaled $2.1 million, or less than a penny a share. Analysts polled by Thomson First Call expected break-even earnings, before items, and revenue of $314.2 million. During the year-earlier period, JDSU recorded a loss of $145.7 million, or 10 cents a share, on revenue of $170.9 million. Adjusted for items, the year-earlier loss was $20.5 million, or a penny share.

JDSU forecast first-quarter revenue of $312 million to $328 million. Analysts project revenue of $332.6 million. Shares were trading down 37 cents to $2.26, while volume topped 100 million shares.

SeaChange International(SEAC Quote) jumped 12% after the maker of digital video systems swung to a second-quarter profit, besting analysts' expectation for a loss. For the period ended July 31, the company earned $643,000, or 2 cents a share, reversing a year-earlier loss of $6.6 million, or 23 cents a share. Analysts predicted a loss of 8 cents a share. Revenue surged to $45.4 million from $26.2 million, surpassing analysts' estimate of $37.1 million.

"We anticipated a very strong quarter and we delivered," the company said. "As expected, our VOD business in North America remained very solid, we closed a multiyear purchase agreement with Comcast that encompasses hardware, software development and maintenance, our broadcast business picked up, and we continued to make headway with our VOD business outside North America." Sea Change shares were up 85 cents to $8.65.