Warren Buffet (79) of Berkshire Hathaway is the top hedge fund manager, with a total net worth of $47 billion. Read Article

Airlines globally are still negotiating a rough patch, but a few emerging market carriers could have bright futures. Read Article

Several countries—including Finland, Israel and France—have issued guidelines for cell-phone use. And San Francisco’s mayor is hoping his city will adopt legislation that would have manufacturers print radiation information on cell-phone packaging and manuals, and require retailers to display the data on the sales floor. Read Article