Shares of Inter-Tel ( INTL - Get Report) were among technology's winners Monday, climbing 13% after the company's founder said he is interested in acquiring the company.

Steven Mihaylo, who is the company's largest shareholder and former chief executive, said he contacted Inter-Tel on March 31 and then followed up in letters dated April 3 and April 10. In the April 3 letter, Mihaylo said that he and private equity firm Vector Capital are working out a deal to acquire the data communications company. "We have been meeting to discuss the possibility of together pursuing an acquisition of the company and the manner in which that might best be effected," he said. Mihaylo also expressed concern about Inter-Tel's transition of its business model and the costs of being a public company.

In the follow-up letter dated April 10, Mihaylo reiterated his interest in acquiring the company. "I continue to believe that the best path forward for the company's shareholders is for you to work with me cooperatively to negotiate an all-cash acquisition of the company by me, or a higher bidder, and I remain interested in meeting with the company's advisors to discuss such a transaction." Mihaylo also said that he plans to wage a proxy contest at the company's annual meeting at the end of May. Inter-Tel shares were trading up $2.69 to $23.57.

Comverse Technology ( CMVT fell modestly after the company said it agreed to acquire privately held Netcentrex for about $164 million in cash. The deal, which is projected to be neutral to Comverse's fiscal 2006 pro forma earnings, is expected close by July 1. Netcentrex, which develops network and video software, posted 2005 sales of about $50 million. Shares of Comverse were trading down 4 cents to $24.44.

Shares of Mattson Technology ( MTSN fell 6% after the semiconductor equipment company said that it may restate its financial results for fiscal 2002 through 2004. The company, noting that a restatement is "likely," said the problems relate to the recognition of certain royalty revenue. "The restatement relating to royalty revenue would impact the timing, but not the total amount, of income recognized by the company," Mattson said. "Cash flows from operations would not be impacted." Shares were trading down 73 cents to $11.18.

Red Hat ( RHAT rose 9% after the software company agreed to acquire privately held JBoss for $350 million in cash and stock. The acquisition, which consists of 40% cash and 60% stock, is expected to close around the end of May. Red Hat said that the acquisition of JBoss, a provider of open source software, would hasten the company's transition to service-oriented architectures. Red Hat said it may pay an additional $70 million for JBoss if certain future performance metrics are reached. Shares of Red Hat recently were trading up $2.46 to $29.89.

Despite boosting its first-quarter sales outlook, shares of Perficient ( PRFT - Get Report) fell 3% on Monday. The information technology consulting firm projects sales of $28.8 million to $29.7 million, up from an earlier view of $26.5 million to $27.9 million. Analysts polled by Thomson First Call predict sales of $27.8 million. "Q1 was a great start to a promising year, as we continued to see accelerating demand for our solutions," the company said. Perficient said its revised guidance does not include sales from recently acquired Bay Street Solutions. Shares, which had climbed by more than 40% since the beginning of the year, recently were down 41 cents to $12.19.

Other technology movers included JDSU ( JDSU, down 14 cents to $3.81; Sun Microsystems ( SUNW, down 9 cents to $5.15; Intel ( INTC - Get Report), up 18 cents to $19.42; Microsoft ( MSFT, up 16 cents to $27.41; Lucent Technologies ( LU, down 5 cents to $3.06; Ciena ( CIEN, down 19 cents to $4.62; Oracle ( ORCL, up 5 cents to $13.80; Apple Computer ( AAPL, up 34 cents to $70.13; and Cisco Systems ( CSCO, up 21 cents to $21.02.