IBT Staff Reporter

Financial services firm Northern Trust Corp. (NASDAQ: NTRS) posted a 15 percent gain in its first-quarter net income on record trust, investment and other servicing fees the firm said Tuesday.

Shares of men's suit maker JoS A. Bank Clothiers, Inc. (NASDAQ: JOSB) rose Tuesday after the firm reported a stronger than expected annual profit.

Virginia Tech's president said Tuesday that a student was the gunman in at least the second of the two campus attacks that claimed 33 lives to become the deadliest shooting rampage in modern U.S. history.

Qantas staff are worried about their employment security with the airline, according to a report, after Qanta’s bidder Airline Partners Australia (APA) revised a key condition of its takeover plan last week, which calls for the airline to take on more debt.

Tattersall’s Ltd agreed to buy Golden Casket Lottery Corp. on Monday for $530 million, giving the firm a dominant position in Australian lottery sales.

Internet search leader Google, Inc. (NASDAQ: GOOG) announced late Friday that it agreed to acquire online advertising service DoubleClick Inc. for $3.1 billion in cash.

Shares of SLM Corp., the largest U.S. student loan provider, (NYSE: SLM) jumped on Friday after a published report said the firm is in talks with private equity groups for a possible sale of the company.

Investment bank Piper Jaffray Companies (NYSE: PJC) said on Friday that it agreed to acquire Fiduciary Asset Management, LLC (FAMCO) for about $66 million in cash, in a bid to enter the asset management business.

Shares of Merck & Co., Inc. (NYSE: MRK) jumped in Friday trading as a federal judge dismissed a class-action lawsuit over the company's pain reliever Vioxx.

Shares of internet call provider Vonage Inc. (NYSE: VG) rose on Thursday after its CEO resigned and the firm said it would reduce expenses.

Shares of Mobius Management Systems Inc. (NASDAQ: MOBI) jumped on Thursday after it agreed to be acquired by Allen Systems Group, Inc. an enterprise software provider.

Steel maker Ipsco Inc.(NYSE: IPS), the second largest U.S. steel pipe maker for energy explorers, confirmed on Thursday that it is currently in discussions that could lead to a potential acquisition of the company.

Advanced Magnetics Inc.(NASDAQ: AMAG) announced Thursday positive results for a phase III study on its ferumoxytol treatment, an intravenous iron replacement for patients with kidney problems.

Shares of closeout retailer Big Lot's Inc. (NYSE: BIG) fell today as one Wall Street brokerage initiated coverage of the company on Wednesday with a ‘hold’ rating.

Shares of medical laser company Biolase Technology Inc. (NASDAQ: BLTI) tumbled on Wednesday after the company made a preliminary announcement of a first quarter loss.

Shares of medical firm American Medical Systems Holdings, Inc. (NASDAQ: AMMD) plunged nearly 18 percent on Wednesday after the firm lowered its expectations for first quarter revenue.

Cell Therapeutics Inc. (NYSE : CTIC) announced on Wednesday that its cancer drug Xyotax qualified for fast track designation for the treatment of poor performance status women.

Shares of health care provider Manor Care Inc. (NYSE: HCR) jumped on Wednesday following an announcement that it enlisted help from a Wall-Street brokerage to increase share holder value.

Mylan Laboratories Inc. (NYSE: MYL) raised its full year earnings forecast on Tuesday, citing strong sales of its generic drugs and certain new products.

Shares of audio and video software firm DivX Inc. (Nasdaq: DIVX) rose on Tuesday after the company raised its revenue outlook for the first quarter of 2007.

Shares of software maker Autodesk (Nasdaq: ADSK) rallied Tuesday as Goldman Sachs upgraded the firm from a neutral rating to a buy.

Semiconductor company Conexant Systems Inc. (Nasdaq: CNXT) said on Monday that its second-quarter revenue fell 18.5 percent from the previous quarter, sending shares tumbling.

Shares of Schnitzer Steel Industries, Inc. (NASDAQ: SCHN) rose to an all time high on Monday as higher volumes and margins in its metals recycling business, sent second-quarter profits up nearly 33 percent.

Shares of drug maker Memory Pharmaceuticals Corp. (NASDAQ: MEMY), skyrocketed on Monday, after the company announced it had has completed enrollment for Phase IIa trials of its Alzheimer’s treatment on Thursday. The market was closed on Friday.

Shares of NetLogic Microsystems (NASDAQ: NETL)rallied Monday as the semiconductor company raised its first quarter revenue outlook and said that its chief financial officer will be stepping down.

Shares of Vonage Holdings. Corp. (NYSE: VG) tumbled more than 10 percent in morning trading after a judge granted the firm an emergency stay on a ban from signing up new customers.

Wal-Mart Stores Inc. (NYSE: WMT) created two new senior posts for its U.S. stores on Friday, naming a new chief operating officer and a new head of human resources.

Drugstore chain Rite Aid Corp. (NYSE: RAD) and Longs Drug Stores Corp. (NYSE: LDG) said on Friday that they had signed an agreement to exchange six Longs Drug Stores in Washington, Oregon, and Northern California, for six Rite Aid stores in Nevada.

Drugstore chain Walgreen Co. (NYSE: WAG) (NASDAQ: WAG) named a new vice-president of purchasing on Friday, replacing its previous officer who left the company.