Updated from 1:06 p.m. EDT

Shares of

Artisan Components

(ARTI)

were among the best-performing technology stocks Monday after the company agreed to be acquired by

ARM Holdings

(ARMHY)

for $913 million in cash and stock.

Artisan shareholders will receive

$9.60 a share in cash and about 4.4 American depositary shares of ARM for each share of Artisan they own. Based on Friday's closing prices, the deal is worth about $33.89 a share. The acquisition is expected to be nondilutive within 12 months of closing. Shares of Artisan traded up $3.72, or 15.6%, to $27.60, while shares of ARM Holdings traded down $1.05, or 19.1%, to $4.46.

Sonus Networks

(SONS)

rose after it filed its 10-Q with the

Securities and Exchange Commission

, and posted in-line second-quarter earnings on better-than-expected sales. The phone switch company posted

a second-quarter profit of 2 cents a share, reversing a year-ago loss, on sales of $42.4 million. Analysts polled by Thomson First Call were expecting earnings of 2 cents a share on sales of $38.9 million. The filing of its 10-Q brings the company into compliance with financial reporting requirements. As a result, Sonus will immediately apply for relisting on the

Nasdaq

. Its shares were delisted from the Nasdaq on Aug. 13. Shares of Sonus Networks traded up 78 cents, or 19%, to $4.88.

Shares of

Digital Recorders

(TBUS)

fell after the company posted second-quarter results that were weaker than expected. Excluding items, the digital communications company posted a profit of 1 cent a share on sales of $11.7 million. Analysts were looking for earnings of 6 cents a share. A year ago, the company earned 6 cents a share on sales of $12.5 million. Shares traded down 14 cents, or 4.4%, to $3.04.

Viisage

(VISG)

rose after the company unveiled its plans for the Viisage Identity Solutions Suite. The suite is being designed to provide organizations and companies with tools that will address identity fraud and theft at early stages in the identity life cycle. The suite's first component, Viisage Proof 1.0, will be used by government and law enforcement to correctly ascertain a person's identity before the agencies issue credentials or privileges. Shares of Viisage traded up 30 cents, or 5%, to $6.35.

Other technology volume leaders included

Intel

(INTC) - Get Report

, up 34 cents to $21.96;

Microsoft

(MSFT) - Get Report

, up 12 cents to $27.24;

Cisco

(CSCO) - Get Report

, up 19 cents to $19.07;

Oracle

(ORCL) - Get Report

, down 1 cent to $10.30;

Applied Materials

(AMAT) - Get Report

, up 20 cents to $16.22;

Sirius Satellite Radio

(SIRI) - Get Report

, up 11 cents to $2.34;

Nortel Networks

(NT)

, up 14 cents to $4; and

Lucent

(LU)

, up 1 cent to $3.11.