Shares of Rambus ( RMBS) were among technology's winners Wednesday, rising 7% after company signed a licensing agreement with Toshiba.

The agreement calls for Rambus to license its patents for SDRAM and DDR SDRAM memory controllers to Toshiba. "Toshiba was our first patent licensee and we are pleased to continue this long and valuable relationship with a trusted partner," Rambus said. "Our focus of licensing industry-leading companies with both our products and patents continues to help push the boundaries of what our collective engineering teams can accomplish." Financial terms of the deal were not disclosed. Shares of Rambus were trading up $1.65 to $24.42.

Marvell Technology ( MRVL) slid 8% after the chipmaker said that it received an informal inquiry from the Securities and Exchange Commission related to its stock-option grants and practices.

In addition to the SEC inquiry, the company also said it received a grand jury subpoena from the U.S. Attorney for the Northern District of California seeking documentation related to the options issue. The company, which has launched its own internal review, said it intends to cooperate with both requests. Marvell also said that a shareholder lawsuit has been filed in federal court related to its stock-option practices. Shares were trading down $3.11 to $41.73.

Zoran ( ZRAN) also said it is being informally investigated by the SEC and that it received a Justice Department grand jury subpoena related to its stock option-grant practices. The U.S. Attorney for the Northern District of California is seeking documents from 1995 to present. Meanwhile, the chipmaker said it has set up its own special committee to conduct a review of its historical option grants. The company said it plans to cooperate with both the SEC and U.S. Attorney's office. Shares were trading down $1.91, or 8%, to $22.40.

Shares of Millicom International Cellular ( MICC) rebounded somewhat after the telecom company posted a big jump in second-quarter subscribers. The cellular operator added more than 1.4 million subscribers during the quarter, bringing total subscribers to 10.9 million. The subscriber increase represents sequential growth of 15% and year-over-year growth of 62%. The subscriber figures exclude about 400,000 subscribers in Pakcom, reflecting the disposal of Millicom's Pakcom business. Shares were trading up $2.36, or 7%, to $35.69 after falling nearly 30% Monday on news that it had ended talks to be acquired.

Shares of Opsware ( OPSW) slid 8% after the software company said the SEC intends to bring an enforcement action against its chief financial officer. The enforcement action relates to CFO Sharlene Abrams' former employment at Mercury Interactive ( MERQ), where she served as financial chief. The investigation into Abrams relates to the timing of stock-option grants and "the apparent timing of quarter-end shipments and certain expense items and accruals," Opsware said.

The company said the SEC's investigation does not involve Opsware or Abrams' activities while at the company. Opsware said it doesn't intend to change Abrams' current status at the company. Shares were trading down 49 cents to $7.69.

Other technology movers included Sirius Satellite Radio ( SIRI), down 10 cents to $4.51; Microsoft ( MSFT), down 35 cents to $23.35; Intel ( INTC), down 43 cents to $18.93; JDSU ( JDSU), down 7 cents to $2.42; Cisco Systems ( CSCO), down 38 cents to $19.62; Oracle ( ORCL), down 19 cents to $14.62; Level 3 Communications ( LVLT), up 1 cent to $4.19; and Lucent Technologies ( LU), down 3 cents to $2.40.