Shares of Marvell Technology ( MRVL) were among technology's winners Friday, rising 10% after the chipmaker posted better-than-expected first-quarter results.

The company earned $75.3 million, or 23 cents a share, on revenue of $521.2 million. Excluding items, Marvell earned $141.1 million, or 44 cents a share. Analysts polled by Thomson First Call expected earnings of 42 cents a share, before items, on revenue of $516.9 million. During the year-earlier period, the company posted adjusted earnings of $84.2 million, or 27 cents a share, on revenue of $364.8 million. "We are having strong success in driving the adoption of our advanced technologies into a number of exciting high-volume consumer and enterprise markets," the company said,

Looking ahead, Marvell forecast second-quarter revenue of $580 million to $585 million, including $30 million from the printer semiconductor business that it recently acquired. Analysts project revenue of $548.8 million. Shares were trading up $4.85 to $54.56.

SafeNet ( SFNT) shares plunged 20% after the network-security company said it received a subpoena from the U.S. Attorney for the Southern District of New York related to the company's stock option grants. The company also said the Securities and Exchange Commission has launched an informal inquiry into the company's accounting policies and practices, including stock option grants that were awarded to directors and officers of the company. SafeNet said it is "actively engaged in responding to these requests, and will cooperate fully with both offices." Shares were down $3.78 to $15.43.

Shares of Supertex ( SUPX) rose 9% after the chipmaker posted better-than-expected fiscal fourth-quarter results. The company earned $5.1 million, or 37 cents a share, for the quarter ended April 1. Revenue totaled $24 million. Analysts expected earnings of 32 cents a share and revenue of $22.2 million. A year earlier, the company earned $433,000, or 3 cents a share, on revenue of $11.8 million. "The quarter was characterized by continued top-line growth, both in our focused markets and in our key territories," Supertex said. "The growth was driven primarily by our medical ultrasound and electroluminescent driver product lines, resulting from our increased investment in new product development over the past years." Shares were trading up $3.42 to $40.03.

Brocade Communications ( BRCD) climbed 3% after the storage-area networks company reported higher-than-anticipated second-quarter results and named a permanent chief financial officer. For the quarter ended April 29, the company earned $13.5 million, or 5 cents a share, on revenue of $182.7 million. Excluding items, the company earned $26.4 million, or 10 cents a share. Analysts expected earnings of 5 cents a share, before items, on revenue of $160.4 million. Last year, Brocade reported adjusted second-quarter earnings of $19.1 million, or 7 cents a share, on revenue of $144.8 million. "Our results for the second quarter of fiscal 2006 were outstanding and exceeded our expectations for what is historically a seasonally soft quarter," the company said.

Separately, Brocade said that Richard Deranleau will now serve as financial chief on a permanent basis. Deranleau had been serving as interim CFO since December. Brocade shares were up 20 cents to $5.97.

Shares of Autodesk ( ADSK) slipped 2% after the company posted first-quarter earnings that were a penny ahead of expectations and gave an in-line second-quarter guidance. The company reported a first-quarter profit of $48.5 million, or 20 cents a share, on revenue of $436 million. Excluding items, Autodesk earned $80 million, or 32 cents a share. Analysts expected earnings of 31 cents a share, before items, on revenue of $431.1 million. A year earlier, the company posted adjusted earnings of $74.9 million, or 30 cents a share, on revenue of $355.1 million.

Autodesk sees adjusted second-quarter earnings of 34 cents to 36 cents a share, with revenue of $440 million to $450 million. Analysts, meanwhile, project earnings of 35 cents a share and revenue of $446.6 million. Shares were trading at $37.10, down 93 cents.

Other technology movers included Intel ( INTC), down 48 cents to $18.17; Microsoft ( MSFT), down 11 cents to $22.72; Cisco Systems ( CSCO), up 37 cents to $20.66; Advanced Micro Devices ( AMD), up $2.79 to $34.14; Dell ( DELL), up 12 cents to $24.07; Lucent Technologies ( LU), unchanged at $2.52; Sirius Satellite Radio ( SIRI), down 8 cents to $3.93; JDSU ( JDSU), unchanged at $2.77; Sun Microsystems ( SUNW), down 1 cent to $4.60; and Oracle ( ORCL), down 13 cents to $13.64.