IBT Staff Reporter

A federal judge has barred Internet phone company Vonage Holdings Corp. (NYSE: VON) from signing up new customers as it appeals a ruling that it infringed upon Verizon Communications, Inc. (NYSE: VZ) patents.

Agilent Technologies Inc. (NYSE: A) said on Friday that it has signed an agreement to acquire Stratagene Corp. (NASDAQ: STGN), a manufacturer of specialized life science research and diagnostic products.

Aerospace and defense company Lockheed Martin (NYSE: LMT) announced on Friday that it delivered the first of four mine-hunting vehicles to the U.S. Navy as part of a $118 million contract.

Shares of laser skin treatment company Cutera Inc. (NASDAQ: CUTR) fell sharply on Thursday, after the firm lowered its earnings and revenue estimates for its first fiscal quarter.

Epoch Holding Corp.(NADAQ: EPHC) said on Thursday that that its assets under management in its investment arm increased 22 percent during the first three months of 2007.

Pharmaceutical and biotechnology company Encorium Group, Inc. (Nasdaq: ENCO) said on Thursday that it received a number of new contracts, with an aggregate value of $4.7 billion.

Atari Inc. (Nasdaq: ATAR) announced today that its Chief Creative Officer, and acting Chief Financial Officer, will resign, effective immediately.

Seed company Monsanto Co., (NYSE: MON) posted a net income for its fiscal second quarter higher than analysts’ expectations on Wednesday on strong sales of corn seed as U.S. farmers begin to fill the anticipated need for corn-based ethanol fuel.

Shares of Best Buy Col., Inc. (NYSE: BBY) dropped on Wednesday, despite a quarterly report from the electronics retailer showing strong profit in the fourth quarter due to strong sales of flat panel TVs.

News Limited, the Australian arm of News Corporation, has completely acquired the newspaper, magazine and online assets of Federal Publishing Company (FPC) for an undisclosed amount on Monday.

Biotechnology firm Cell Genesys Inc. (Nasdaq: CEGE) shares rose sharply Tuesday, after the company said its prostate cancer drug therapy showed better-than-expected results in a clinical trial.

Semiconductor company Silicon Motion Corp. (Nasdaq: SIMO) announced that it hired a new Chief Financial Officer on Tuesday.

Shares of 24/7 Real Media Inc. (NASDAQ: TFSM) rallied on Tuesday as Pacific Growth Equities initiated coverage of the firm.

Music download service Napster (NASDAQ: NAPS) said Tuesday that it expects to report quarterly results that are ahead of its prior guidance.

Shares of information technology services company Computer Sciences Corp. (NYSE: CSC) rallied in morning trading Monday after the firm said it had signed $1.28 billion in previously unannounced federal contracts.

Shares of online auctioneer Ebay Inc. (Nasdaq: EBAY) rose over 3 percent in Tuesday trading after a Wall Street analyst boosted the company’s revenue and earnings outlook for the firm’s first quarter.

Starwood Hotels & Resorts (NYSE: HOT) unexpectedly ousted its CEO on Monday, sending shares higher.

Shares of drug maker Cephalon (NASDAQ: Cephalon) jumped in Monday trading as a Wall Street Brokerage Firm raised the rating of the stock on Monday despite a delay in approval for a new drug.

Shares of biotechnology firm Novavax (Nasdaq: NVAX) leaped in morning trading following an announcement that its vaccine against avian flu seems effective in small animals.

Electronic commerce solutions provider First Data Corp. (NYSE: FDC) agreed to be purchased by private equity firm Kohlberg Kravis & Roberts for $29 billion.

Xerox Corp. (NYSE: XRS) announced on Monday that it would buy Global Imaging Systems (Nasdaq: GISX), sending shares of the Tampa-based company skyrocketing.

Shares of Tibco Software (NADAQ: TIBX) fell more than 4 percent on Friday, after the firm reported lower than expected sales.

Shares in ICT Group Inc., dropped sharply on Friday after the company lowered its profit expectations for first quarter and the full-year 2007.

PMC-Sierra (NASDAQ: PMCS), maker of storage and broadband semiconductors announced a cost reduction initiative late Thursday, with plans to cut jobs and close offices to reduce operating expenses by $20 million to $24 million a year.

Shares of Red Hat Inc. (NYSE: RHT) dipped in trading on Friday as the company posted a profit loss of 25 percent for its fiscal fourth quarter.

The Food and Drug Administration said on Thursday that Dendreon's (Nasdaq: DNDN) prostate cancer treatment was safe and effective, sending shares skyrocketing on Friday trading.

Retail security firm Checkpoint Systems, Inc. (NYSE: CKP) announced results for its fiscal fourth quarter on Friday, posting an earnings increase of 93 percent on higher volumes in its core business and foreign exchange.

Discovery Communications, Inc. said that it plans to buy back 25 percent of the stake held by shareholder Cox Communications, Inc. on Thursday.

Shares of Warner Music Group (NYSE: WMG) received a lift Thursday after one Wall Street analyst upgraded the stock.