Shares of

Secure Computing

( SCUR) were among technology's losers Wednesday, plunging 34% after the maker of network-security products slashed its second-quarter earnings and sales guidance.

The company now sees adjusted earnings, which excludes items, of 5 cents to 6 cents a share, down from an earlier view of 10 cents to 12 cents a share. The company now predicts sales of $38.5 million to $39 million, down from an earlier forecast of $43 million to $45 million. Analysts polled by Thomson First Call project earnings of 11 cents a share on sales of $44.2 million.

Separately, Secure Computing said that it agreed to buy privately-held messaging-security company CipherTrust for $273.6 million in cash and stock. The purchase price consists of $185 million in cash, 10 million shares of Secure Computing stock,and a $10 million seller note that is tied to performance obligations. CipherTrust is expected to contribute sales of about $15 million to $20 million to Secure Computing's top line during 2006 and $80 million in sales during 2007. The deal is expected to be accretive to adjusted earnings during the second half of 2007. Shares of Secure Computing recently were trading down $2.78 to $5.29.

Intergraph

(INGR) - Get Report

shares jumped 13% after the software company boosted its second-quarter projections. The company now sees operating income of $11.3 million to $12.3 million, up from an earlier forecast of $5 million to $7 million. Excluding a restructuring charge, the company expects operating income of $17 million to $18 million, up from an earlier view of $10.5 million to $11.5 million. Intergraph also raised its revenue estimate to $151 million to $153 million from an earlier forecast of $145 million to $147 million. Analysts project revenue of $145.9 million. Intergraph shares were up $4 to $34.62.

Shares of

Benchmark Electronics

(BHE) - Get Report

rose 2% after the contract electronics manufacturer said that second-quarter results would exceed expectations. The company now sees earnings topping its previous guidance of 36 cents to 39 cents a share. The company also expects to post sales above its prior forecast of $630 million to $660 million. Analysts project earnings of 38 cents a share and sales of $653.2 million. Benchmark, which didn't provide a reason for the improved outlook, plans to issue second-quarter results on July 20. Shares were trading up 65 cents to $23.08.

Shares of

Syntax-Brillian

( BRLC) jumped 21% after the maker of high-definition televisions said that fourth-quarter and full-year revenue would be better than expected. For the fourth quarter ended June 30, the company expects to post revenue at or above the high end of its earlier guidance of $50 million to $58 million. Gross margins, meanwhile, are now seen at or above the high end of the previous forecast of 10% to 12%. Analysts project revenue of $53 million.

For its full fiscal year, Syntax-Brillian expects revenue at or above the high end of previous guidance of $180 million to $190 million. Gross margins will be at or above the high end of previous guidance of 11% to 13%. Analysts project fiscal 2006 revenue of $186.2 million. Shares were trading at $3.32, up 58 cents.

Tut Systems

( TUTS) plunged 36% after the communications-equipment maker warned that second-quarter revenue would be well below expectations. The company projects revenue of about $8.2 million. Analysts, meanwhile, had forecast revenue of $12.7 million. Tut said that a number of potential new customers extended their purchase decisions, while revenue from certain new products was hurt by production issues. Shares were trading down 83 cents to $1.48.

Other technology movers included

Sun Microsystems

(SUNW) - Get Report

, up 5 cents to $4.05;

Microsoft

(MSFT) - Get Report

, down 36 cents to $22.74;

JDSU

(JDSU)

, up 8 cents to $2.19;

Lucent Technologies

( LU), up 4 cents to $2.23;

Intel

(INTC) - Get Report

, down 18 cents to $18.49;

Cisco Systems

(CSCO) - Get Report

, down 13 cents to $18.56;

Ciena

(CIEN) - Get Report

, up 9 cents to $4.25;

Apple Computer

(AAPL) - Get Report

, down 55 cents to $55.10; and

Applied Materials

(AMAT) - Get Report

, down 17 cents to $15.97.