Tuesday's Tech Winners & Losers

Shares of Bookham(BKHM Quote) were among technology's losers Tuesday, sliding 12% after the telecom-equipment company posted weaker-than-expected first-quarter results and gave a soft revenue forecast.

For the period ended Sept. 30, the company recorded a loss of $22.9 million, or 38 cents a share, on revenue of $56.4 million. Excluding items, the company posted a loss of $15.7 million, or 26 cents a share. Analysts polled by Thomson First Call expected a loss of 25 cents a share, before items, on revenue of $57.1 million. During the year-earlier period, the company earned $500,000, or 2 cents a share, on revenue of $62.6 million.

Bookham forecast fiscal second-quarter revenue of $56 million to $59 million, below analysts' average projection of $61 million. Shares were trading down 43 cents to $3.20.

Shares of RealNetworks(RNWK Quote) rose 8% after the digital-media concern posted better-than-anticipated third-quarter results. The company earned $42.2 million, or 24 cents a share, on revenue of $93.7 million. Analysts expected earnings of 22 cents a share and revenue of $92.7 million. Last year, the company earned $11.2 million, or 6 cents a share, in the third quarter, on revenue of $82.2 million.

RealNetworks forecast full-year earnings of 77 cents to 80 cents a share, with revenue of $387 million to $393 million. Analysts project earnings of 80 cents a share and revenue of $368.3 million. Shares recently changed hands at $11.74, up 87 cents.