Shares of

Bookham

( BKHM) 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) - Get Report

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.

InPhonic

( INPC) jumped 22% after the wireless-services and products company narrowed its third-quarter loss and issued better-than-expected full-year revenue guidance. The company posted an adjusted loss of $1 million, or 3 cents a share. Analysts expected a loss of 2 cents a share. Revenue totaled $102.2 million, compared with Wall Street's forecast of $101.1 million. A year earlier, the company reported a loss of $4.4 million, or 12 cents a share, on revenue of $92 million.

Looking ahead, InPhonic forecast full-year revenue of $115 million to $125 million. Analysts project revenue of $118 million. Shares were trading up $1.98 to $11.02.

Himax Technologies

(HIMX) - Get Report

posted a big drop in third-quarter earnings and missed expectations, sending shares down 14%. The company, a Taiwan-based maker of chips for flat-panel displays, said earnings fell to $4.6 million, or 2 cents a share, from $21.4 million, or 12 cents a share, a year earlier. Analysts expected earnings of 9 cents a share. Revenue rose to $177.1 million from $154.8 million, but the company's bottom line was hit by a drop in gross margin to 17.4% from 23.5% a year earlier. Himax shares were down 83 cents to $5.

Shares of

Dobson Communications

(DCEL)

climbed 8% after the wireless-service provider reported better-than-expected third-quarter results. The company posted a profit of $25.9 million, or 14 cents a share, including a tax benefit of $7.9 million. Analysts expected earnings of 5 cents a share. Dobson reported revenue of $336.4 million, higher than analysts' target of $329.7 million. During the year-earlier period, the company posted a loss of $65.9 million, or 45 cents a share, on revenue of $315.8 million. The year-ago results included redemption and repurchases of preferred stock that totaled $66.4 million. Shares were trading up 63 cents to $8.47.

Other technology movers included

Cisco Systems

(CSCO) - Get Report

, up 27 cents to $24.95;

Sun Microsystems

(SUNW) - Get Report

, up 13 cents to $5.44;

Sirius Satellite Radio

(SIRI) - Get Report

, down 9 cents to $3.93;

Level 3 Communications

(LVLT)

, up 22 cents to $5.57;

Intel

(INTC) - Get Report

, up 32 cents to $21.14;

Microsoft

(MSFT) - Get Report

, up 21 cents to $29.05;

Applied Materials

(AMAT) - Get Report

, up 60 cents to $17.89; and

Lucent Technologies

( LU), up 8 cents to $2.54.