Shares of

LSI Logic

(LSI) - Get Life Storage, Inc. Report

were among the worst-performing technology stocks Tuesday after the company warned that it would miss third-quarter earnings estimates.

Excluding items, the chip company now expects to post a third-quarter loss of 4 cents to 7 cents a share on sales of $370 million to $400 million. Previously, it expected a profit of 3 cents to 6 cents a share on sales of $435 million to $465 million. Analysts polled by Thomson First Call were expecting earnings of 5 cents a share on sales of $453.1 million. The company said weak demand and excess inventory led to the earnings and sales revisions. Shares of LSI Logic were recently trading down 52 cents, or 9.9%, to $4.73.

Taser International


rose after saying it received three orders totaling more than $1 million. The first order was received by the Louisville Metro Police Department in Kentucky for 550 Taser X26 stun guns and accessories. The second order was received by the Long Beach Police Department in California for 260 X26 units and accessories. The final order was received by the Miami-Dade County Police Department for 175 X26 units and accessories. The three orders are expected to ship during the third quarter. Shares of Taser were recently trading up $1.46, or 4.4%, to $34.85.

Shares of



rose after the company announced a supply agreement with

Samsung Electronics

. SanDisk's 32-megabyte miniSD memory cards will be sold with Samsung's new high-resolution camera phone. The Samsung digital camera phone has already started selling in the Korean market. Shares of SanDisk were recently trading up 49 cents, or 1.9%, to $26.37.

Trikon Technologies


rose after it announced that the U.K. government has awarded it funding to develop technology for 300-millimeter MRAM manufacturing. The total value of the award is up to 50% of the total project value of $5.92 million. The project is expected to last 18 months. Shares of Trikon were recently trading up 22 cents, or 10.1%, to $2.40.

Shares of

Globecomm Systems


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rose after the company received two satellite infrastructure contracts valued at about $3.6 million. The first contract is from a U.S. government customer who has done business with the company before, and the second contract is from a video broadcast customer in India. Shares of Globecomm were recently trading up 49 cents, or 7.4%, to $7.10.

Other technology volume leaders included


(INTC) - Get Intel Corporation (INTC) Report

, down 1 cent to $20.79;


(ORCL) - Get Oracle Corporation Report

, down 3 cents to $10.59;


(CSCO) - Get Cisco Systems, Inc. Report

, up 3 cents to $20.28;


(MSFT) - Get Microsoft Corporation (MSFT) Report

, up 22 cents to $27.47;



, down 6 cents to $3.41; and

Sirius Satellite Radio

(SIRI) - Get Sirius XM Holdings, Inc. Report

, up 6 cents to $2.88.