Shares of Blackboard ( BBBB) were among technology's winners Friday, surging 15% after the software company bolstered its second-quarter and full-year outlook.

The company now sees a loss of 23 cents to 24 cents a share, with revenue of $41.8 million to $42.8 million. Analysts polled by Thomson First Call project a wider loss of 29 cents a share and revenue of $41.4 million. Previously, the company forecast a loss of 28 cents to 30 cents a share on revenue of $40.5 million to $41.5 million. On a so-called cash basis, which excludes items, the company now sees a loss of 4 cents to 5 a share, narrowed from an earlier view of 9 cents to 10 cents.

For the full year, Blackboard now anticipates a loss of 43 cents to 47 cents a share. The company's prior forecast called for a loss of 50 cents to 54 cents a share. Blackboard raised its revenue forecast to $173.1 million to $176.1 million from a previous estimate of $169.7 million to $172.7 million. Analysts project a loss of 52 cents a share and revenue of $171.6 million. On a cash basis, the company now sees a profit of 15 cents to 19 cents a share, up from an earlier view of 8 cents to 13 cents a share. Shares were up $3.63 to $27.95.

Tektronix ( TEK) slid 9% after the company posted solid fiscal fourth-quarter results but gave a lower-than-expected guidance for the first quarter. The company, which makes testing and measurement equipment for computer and chip companies, posted earnings of $31.9 million, or 37 cents a share, for the period ended May 27. Excluding items, the company earned $36.4 million, or 43 cents a share, a penny better than analysts' average forecast. Revenue totaled $289.3 million, compared with Wall Street's projection of $282.3 million. A year earlier, the company earned $27.4 million, or 31 cents a share, on revenue of $261 million.

Looking ahead, Tektronix projects first-quarter earnings of 31 cents to 34 cents a share, with revenue of $255 million to $265 million. Analysts had forecast earnings of 35 cents a share and revenue of $266.1 million. Shares were trading down $2.87 to $27.39.

Shares of Spectrum Control ( SPEC) vaulted 25% after the maker of electronic control products and systems posted big gains in second-quarter earnings and revenue. For the period ended May 31, the company earned $1.7 million, or 13 cents a share, up from $1.3 million, or 10 cents a share, a year earlier. Revenue for the May quarter rose to $31.9 million from $25.9 million.

Spectrum Control sees third-quarter earnings of 14 cents to 15 cents a share and revenue of about $32 million. For the fourth quarter, the company predicts earnings of 19 cents to 21 cents a share on revenue of about $32 million. Shares traded up $1.73 to $9.07.

Intervoice ( INTV) rose 4% after the software company posted a narrower-than-expected first-quarter loss. For the period ended May 31, the company reported a loss of $405,000, or 1 cent a share, on revenue of $45.7 million. Analysts expected a loss of 3 cents a share and revenue of $45 million. During the year-earlier period, the company posted a profit of $3.9 million, or 10 cents a share, on revenue of $43.3 million.

For the second quarter, Intervoice expects revenue of $44 million to $49 million, in line with analysts' projection of $46.4 million. Shares were up 26 cents to $6.29.

Shares of Xilinx ( XLNX) slipped 1% after the chip company said that the Securities and Exchange Commission is informally probing its stock-option grant practices and disclosures. Xilinx said it is cooperating with the SEC. Shares were trading down 34 cents to $23.01.

Other technology movers included Sirius Satellite Radio ( SIRI), up 30 cents to $4.49; Oracle ( ORCL), up 63 cents to $14.96; Qualcomm ( QCOM), down $1.88 to $39.50; Intel ( INTC), down 10 cents to $18.15; Microsoft ( MSFT), down 13 cents to $22.75; Applied Materials ( AMAT), down 41 cents to $16.14; Apple Computer ( AAPL), down 35 cents to $59.23; JDSU ( JDSU), unchanged at $2.60; Sun Microsystems ( SUNW), down 2 cents to $4.23; and Cisco Systems ( CSCO), down 6 cents to $19.63.