U.S. charges billionaire Rajaratnam with record insider trading NEW YORK (Reuters) - Billionaire hedge fund founder Raj Rajaratnam and five executives from some of the most prestigious U.S. companies were charged on Friday with the largest hedge fund insider-trading scheme ever. Sri Lanka rebels offer to lay down arms COLOMBO, Sri Lanka - The Tamil Tiger rebels admitted defeat in their 25-year-old war with the Sri Lankan government Sunday, offering to lay down their guns as government forces swept across their last strongholds in the northeast. Sri Lanka urges civilians to flee war zone COLOMBO, Sri Lanka - Sri Lanka's government dropped leaflets across the northern war zone Friday urging civilians to flee the fighting amid accusations the military pounded the area with artillery shells that killed at least 10 civilians.