Rambus

(RMBS) - Get Report

was among the winners of technology stocks Tuesday, with shares jumping 10% after the company signed a five-year patent licensing agreement with

Advanced Micro Devices

(AMD) - Get Report

.

The pact grants AMD a license to certain patents used in the design of memory and logic interfaces. Rambus said the agreement -- worth about $75 million over the five years -- covers all chips except memory. The agreement also includes the possibility of a renewal or extension. Rambus shares were up $1.55 to $17.74, while AMD shares rose 73 cents, or 2.4%, to $31.33.

Blue Coat Systems

( BCSI) shares sank 12% after the company announced the acquisition of Permeo Technologies for roughly $60.8 million. Blue Coat plans to pay $13.4 million in cash and $47.4 million in stock for Permeo, a provider of remote access systems. Blue Coat shares were down $5.49 to $40.23.

Shares of

Technology Research

( TRCI) jumped 11% after the maker of electrical safety products named a new chief financial officer and said it expects third-quarter earnings to top last year's results. The company named Barry Black, former controller of Paradyne Networks, as vice president of finance and CFO. Black replaces Scott Loucks, who will be responsible for establishing more operational controls to manage its Far East activity. Technology Research also projected a "strong" fiscal third quarter, which ended Dec. 31, with earnings per share "well above" the 3 cents posted for the year-earlier period. Shares were trading up 45 cents to $4.70.

Mercury Interactive

( MERQE) said its shares will be delisted from

Nasdaq

Wednesday and trading will be moved to the Pink Sheets. The enterprise software company, in the midst of a restatement process, has been out of compliance with Nasdaq's requirement to make timely financial filings. Mercury said it may request a review of Nasdaq's listing panel's decision not to relist the stock, but the company hasn't decided if it will do so. Mercury shares were down 52 cents, or 1.9%, to $27.27.

Shares of

Flextronics

(FLEX) - Get Report

fell 1.5% after the electronics manufacturing services company elevated Chief Operating Officer Michael McNamara to the position of CEO. McNamara, who joined the company in 1994, replaces Michael Marks, who will remain chairman. Flextronics shares were down 15 cents to $10.29.

Among the technology stocks trading heavily Tuesday were

Sirius Satellite Radio

(SIRI) - Get Report

, down 21 cents to $6.49;

Microsoft

(MSFT) - Get Report

, up 23 cents to $26.38;

Cisco

(CSCO) - Get Report

, up 9 cents to $17.21;

Intel

(INTC) - Get Report

, up 6 cents to $25.02;

Oracle

(ORCL) - Get Report

, up 15 cents to $12.36;

Sun Microsystems

(SUNW) - Get Report

, up 2 cents to $4.21;

Apple

(AAPL) - Get Report

, up $1.13 to $73.02;

Sandisk

(SNDK)

, up $2.50 to $65.32;

JDS Uniphase

(JDSU)

, down 3 cents to $2.33;

Nortel Networks

( NT), up 9 cents to $3.15;

Juniper Networks

(JNPR) - Get Report

, down $1.40 to $20.90; and

Yahoo!

(YHOO)

, up 70 cents to $39.88.