Helen of Troy Corp.’s HELE +4.25% fiscal fourth-quarter earnings rose 20% from a year-earlier period weighed down by impairment charges as the housewares and personal-care products company posted stronger-than-expected revenue, though margins declined. The company also forecast fiscal 2013 earnings of $3.80 to $3.90 a share on revenue of $1.3 billion to $1.33 billion, while analysts surveyed... 

Aflac Inc.’s AFL +1.55% first-quarter earnings more than doubled over a year-earlier period hit by heavy investment losses, although the insurer also posted a core profit that easily exceeded expectations. Shares jumped 5% to $44 after-hours as the insurer, which has operations in Japan and the U.S., also boosted its outlook for its Japanese operations, its largest revenue stream. Chief Executive... 

Baidu Inc.’s BIDU -2.74% first-quarter earnings surged 76% as the Chinese Internet search giant’s revenue continued to surge. American depositary shares were still off 10% at $122 after hours as investors took a dim view toward a top line that was merely in-line with expectations. Baidu, which generates almost all its revenue from search advertising, has posted double-digit earnings growth... 

Illumina Inc.’s ILMN -1.04% first-quarter earnings rose 8.6% as the diagnostics company posted a decline in expenses that offset a drop in revenue. The company also announced that its board approved a stock buyback of up to $250 million of its shares. Illumina recently had about 133.9 million shares outstanding. Illumina makes machines that use blood or tissue samples to decode a person’s... 

Pro-Dex Inc. PDEX -5.62% said Chief Executive Mark P. Murphy resigned from all his positions with the company and its subsidiaries Friday, and was immediately replaced by Director Michael J. Berthelot. Pro-Dex develops powered surgical devices and other tools used in the medical, dental, semiconductor and scientific research markets. “We welcome Mike’s leadership in guiding Pro-Dex through... 

SINGAPORE -(MarketWatch)- Singapore conglomerate Keppel Corp. Ltd. said that unit Keppel Energy Pte. Ltd. has entered into a gas sales agreement with Petronas to import an additional 43 million cubic feet per day of natural gas from their various supply networks. In a filing to the Singapore Exchange late Friday, Keppel said that based on historical oil prices, the contract value is estimated to be... 

La Jolla Pharmaceutical Company is a biopharmaceutical company dedicated to the development of treatments that significantly improve outcomes in patients with life-threatening diseases. Their team is pioneering the science of galectins to develop innovative new therapies to treat human diseases such as cancer and chronic organ failure La Jolla Pharmaceutical Company is a biopharmaceutical company... 

Extreme Networks Inc. EXTR +1.89% said its fiscal third-quarter results will miss its expectations due to the negative impacts of longer customer sales cycles, sales execution issues and challenging macroeconomic conditions in some regions. Shares slid 13% to $3.74 after hours as the Ethernet-network provider also lowered its full-year guidance. Extreme Networks sees full-year earnings of 22 cents... 

Stryker Corp.’s SYK +1.20% first-quarter earnings rose 14% as the medical-device maker saw sales of its hip and knee replacements increase, providing further evidence that the orthopedic market may be picking up. The company and other orthopedic manufacturers like Biomet Inc. and Zimmer Holdings Inc. (ZMH) have been affected as patients postponed elective surgeries such as hip and knee replacements... 

NEW YORK -(MarketWatch)- ConAgra Foods Inc. CAG +0.97% has agreed to buy Odom’s Tennessee Pride, the second-largest maker of frozen breakfast sandwiches in the U.S., for an undisclosed amount, continuing an acquisition spree of smaller food companies. Odom’s has annual sales of more than $190 million and about 750 employees. The company also makes refrigerated breakfast sandwiches and sausages....