Updated from 1:25 p.m. EDT

Shares of

DoubleClick

( DCLK) were among the best-performing technology stocks Monday, rising 12% after the company said it might put itself up for sale.

On Sunday, the provider of software to advertising agencies and Web publishers said it hired Lazard Freres to "explore strategic options for the business in order to achieve greater shareholder value, including a sale of part or all of its businesses, recapitalization, extraordinary dividend, share repurchase or a spinoff."

The news comes just days after the company warned that sales would fall short of expectations in the upcoming fourth quarter. On Thursday, DoubleClick forecast fourth-quarter earnings of 1 cent to 4 cents a share on sales of $72 million to $77 million. Analysts polled by Thomson First Call had been expecting earnings of 3 cents a share on sales of $79.1 million. The sales warning sent shares tumbling down 8% on Friday. On Monday, shares traded up 76 cents to $7.12.

PeopleSoft

(PSFT)

rose 10.4% after

Oracle

(ORCL) - Get Report

raised its bid for the company to $24 a share from $21 a share. Oracle termed the latest offer, now worth about $9 billion, its "best and final." Oracle has been seeking a merger with the company since June 2003. Shares of PeopleSoft traded up $2.16 to $22.93.

Shares of

LTX

( LTXX) fell 4.8% after the company cut its first-quarter earnings guidance well below Wall Street expectations. The company now expects to post a loss of 18 cents to 20 cents a share, down from its previous guidance of 7 cents to 10 cents a share. Sales are now expected to be about $43 million. Analysts had been expecting the supplier of semiconductor test solutions to post a loss of 9 cents a share on sales of $54 million. LTX cited pushed-out deliveries and order delays for the first-quarter weakness. Shares traded down 31 cents to $6.19.

Littelfuse

(LFUS) - Get Report

rose 19.3% after the company posted strong third-quarter results that easily surpassed expectations. The provider of circuit protection products earned 49 cents a share on sales of $135.9 million. Analysts were expecting earnings of 43 cents a share on sales of $133.5 million. Littelfuse attributed the quarterly results to strong performance in its electronics markets and to the acquisition of

Heinrich Industrie

, which accounted for $23.4 million in sales during the quarter. Heinrich added about 2 cents to earnings during the third quarter. Shares traded up $6.30 to $38.92.

Shares of

Affiliated Computer Services

( ACS) rose modestly after the information technology outsourcing company was awarded a three-year extension on a contract it has with Orange, Calif. The extension, which runs from Sept. 1 to June 30, 2007, is valued at more than $4.2 million. ACS has been providing IT services to the city of Orange since 1984. Shares traded up 25 cents to $54.80.

Other technology volume leaders included

Microsoft

(MSFT) - Get Report

, up 11 cents to $28.08;

Intel

(INTC) - Get Report

, up 18 cents to $22.44;

Cisco

(CSCO) - Get Report

, up 5 cents to $19.26;

Sirius Satellite Radio

(SIRI) - Get Report

, up 1 cent to $3.91;

Sun Microsystems

(SUNW) - Get Report

, down 10 cents to $4.40; and

Lucent

( LU), down 2 cents to $3.53.