Updated from 12:22 p.m. EDT

Shares of

Motorola

(MOT)

rose Tuesday after Geoffrey Frost, senior vice president of Motorola's mobile phone division, told

Reuters

that the company feels "very good" about sales growth during the second half of the year.

Speaking in Singapore, Frost noted that Motorola surpassed expectations during the first and second quarter and said the momentum -- resulting from its product portfolio and accelerated product development time -- would likely carry over into the second half of the year. Shares of Motorola traded up 66 cents, or 4.6%, to $15.08.

NVE

(NVEC) - Get Report

rose after it said Tuesday that it expects to be granted a key magnetic random-access memory patent by the U.S. Patent and Trademark Office. The patent covers data storage and retrieval in switchable synthetic antiferromagnet memory cells. NVE said the invention improves cell stability, and thereby reduces the tendency of neighboring bits to be disturbed in an MRAM array. Shares of NVE traded up $5.72, or 18.1%, to $37.38.

Shares of

Metron Technology

(MTCH) - Get Report

rose after the company agreed to be acquired by

Applied Materials

(AMAT) - Get Report

for about $85 million, or $4.74 a share to $4.80 a share. The bid represents a premium of about 120% over Metron's closing price of $2.20 on Monday. The transaction is expected to close during Metron's second quarter, which ends Nov. 30, 2004. Shares of Metron Technology traded up $2.16, or 98.2%, to $4.36.

Wind River Systems

(WIND)

rose after it posted second-quarter earnings and sales that were better than expected and said that third-quarter results would come in ahead of expectations. Excluding items, the software optimization company earned 4 cents a share on sales of $59.4 million. Analysts surveyed by Thomson First Call were expecting a loss of 1 cent a share on sales of $53.8 million. Looking ahead, it forecast earnings, excluding items, of 1 cent to 3 cents a share on sales of $57 million to $59 million. Analysts had expected it to post a loss of 1 cent a share on sales of $56.3 million. Shares of Wind River Systems traded up $1.54, or 18.7%, to $9.77.

Shares of

Netopia

(NTPA)

fell after the company said that it would not submit its 10-Q filing with the

Securities and Exchange Commission

until an internal inquiry into its accounting and reporting practices are completed. In July the software company said that its audit committee launched an inquiry into whether the company's revenue recognition of software license fees with a customer was appropriate. Netopia said that the outcome of its inquiry could affect its financial results for the current year as well, and for prior fiscal years. The company plans to file its quarterly financials with the SEC once the inquiry is complete. Shares of Netopia traded down 59 cents, or 20.2%, to $2.33.

Other technology volume leaders included

Intel

(INTC) - Get Report

, up 9 cents to $21.51;

Cisco

(CSCO) - Get Report

, up 45 cents to $18.68;

Microsoft

(MSFT) - Get Report

, down 4 cents to $27.05;

Oracle

(ORCL) - Get Report

, up 3 cents to $10.28; and

Lucent

(LU)

, up 8 cents to $2.93.