DALLAS (AP) - A key computer system used to run many daily operations at American Airlines failed Tuesday, forcing the nation's third-largest carrier to ground all flights across the United States for several hours and stranding thousands of frustrated passengers at airports and on planes.
NEW YORK (AP) - As J.C. Penney Co. burns through its cash after a disastrous turnaround plan and taps almost half of its credit line, the flailing department store chain doesn't only have to calm its investors. It has to restore confidence among its several hundred suppliers whose constant flow of merchandise must continue if the retailer is to survive.
NEW YORK (AP) - Dish Network Corp. is trying to snag U.S. wireless carrier Sprint Nextel away from a Japanese suitor, the latest sign that satellite dishes are losing their relevance in the age of cellphones that play everything from YouTube videos to live TV.
RICHMOND (AP) - Federal investigators on Monday called on California to strengthen oversight of refineries after a probe into the cause of an intense fire at Chevron Corp.'s Richmond refinery found numerous company and regulatory lapses that, if reversed, could have averted the accident.
DETROIT (AP) - General Motors and Ford are putting aside their longstanding rivalry to work together to develop a new generation of fuel-efficient automatic transmissions.
Q: I am 68 years old and getting Social Security. I recently took a job and was shocked to learn they are taking Social Security taxes out of my paycheck. I thought once you are getting Social Security, you no longer have to pay taxes into the system. Am I right?
NEW YORK (AP) - A Florida billionaire awarded $12 million Friday by a Manhattan jury in his dispute over phony vintage wine vowed to do more to expose wine frauds. The energy maven and yachtsman also proclaimed it his happiest day since winning the America's Cup in 1992.
SAN PABLO (AP) - Several people face criminal charges in connection with a financial aid scam at a community college in Northern California, prosecutors said.
NEW YORK (AP) - Verizon Wireless, the country's largest cellphone carrier, on Friday said that it is extending the time it takes to earn a subsidized phone upgrade from 20 months on contract to 24 months.
SAN FRANCISCO (AP) - Looking for a career change, Ken Shimizu decided he wanted to be a software developer, but he didn't want to go back to college to study computer science.
WASHINGTON (AP) - President Barack Obama's plan to raise Medicare premiums for upper-income seniors would create five new income brackets to squeeze more revenue for the government from the top tiers of retirees, the administration revealed Friday.
DES MOINES, Iowa (AP) - With the farm belt's soil recharged by melted snow and spring rains, farmers are anxious to start working the fields and planting seed for the 2013 crop season.
DETROIT (AP) - Six automakers, including Toyota, Honda and Nissan, are recalling nearly 3.4 million older-model vehicles worldwide because of defective air bags that can send shrapnel flying into the passenger compartment.
LAS VEGAS (AP) - As the federal government tries to encourage companies like AT&T and Verizon to create bigger, faster mobile networks, TV broadcasters are feeling like the farmers of yesteryear who were asked to sell their land to make way for the nation's highways.
ATLANTA (AP) - A tiny magnetic bracelet implanted at the base of the throat is greatly improving life for some people with chronic heartburn who need more help than medicine can give them.
WASHINGTON (AP) - The Food and Drug Administration is keeping a bold-letter warning on Pfizer's anti-smoking drug Chantix about suicidal behavior and other psychiatric side effects, after reviewing company findings suggesting the drug does not increase those problems.
NEW YORK (AP) - The company behind the Snuggie, Perfect Bacon Bowl and other "As Seen on TV" products has agreed to pay $8 million to settle charges that it deceived customers.
MOUNTAIN VIEW (AP) - Google is helping California drivers shop for car insurance as part of a new service that could foreshadow the Internet company's latest attempt to shake up a long-established industry.
WASHINGTON (AP) - In an encouraging development for consumers worried about antibiotics in their milk, a new Food and Drug Administration study showed little evidence of drug contamination after surveying almost 2,000 dairy farms.
POLK CITY, Fla. (AP) - The Ringling Bros. and Barnum & Bailey Circus says the "Greatest Show on Earth" will go on without elephants.
NEW YORK (AP) - There was a time you could count on phones getting larger each year. Samsung's runaway success with the big-screen smartphone even spurred Apple to release a supersized model last fall. But if phones get any bigger will they be too hard to use?
SAN FRANCISCO (AP) - Facebook executive Sheryl Sandberg has enlisted NBA stars LeBron James, Stephen Curry and some of the basketball league's other top players to convince more men to join the fight for women's rights at home and at work.
SAN FRANCISCO (AP) - Uber Technologies is buying digital mapping specialist deCarta in a deal that may help the rapidly growing ride-hailing service lessen its dependence on navigation services from Google and Apple, an imposing pair of potential rivals.
NEW YORK (AP) - McDonald's says it plans to require chicken suppliers to stop using antibiotics important to human medicine within two years.
• ALIBABA OPENS DATA CENTER IN SILICON VALLEY: SAN JOSE (AP) - The cloud-computing unit of Chinese e-commerce powerhouse Alibaba is making its first foray into the U.S. by opening a data center in Silicon Valley.
SAN FRANCISCO (AP) - Sony plans on putting its virtual-reality headset on consumers' noggins next year.
WASHINGTON (AP) - The Food and Drug Administration is warning doctors against over-prescribing testosterone-boosting drugs for men, saying the popular treatments have not been established as safe or effective for common age-related issues like low libido and fatigue.
NEW YORK (AP) - News on Tuesday that major U.S. airlines are no longer going to ship powerful lithium-ion batteries might lead some to fret about the safety of their personal electronic devices.
NEW YORK (AP) - The U.S. has so much crude that it is running out of places to put it, and that could drive oil and gasoline prices even lower in the coming months.
NEW YORK (AP) - Target Corp. is cutting several thousand jobs as part of a plan to eliminate $2 billion in costs over the next two years.