YUKOS Denies Plans to Sell Refinery  MOSCOW (Reuters) - Russian oil major YUKOS denied on  Wednesday reports it planned to sell its Lithuanian refinery  Mazeikiu Nafta to help cover its huge back tax bill.
Stocks: Shares rise on National Semiconductor profit NEW YORK US stocks were little changed Thursday, recovering earlier losses after an upbeat earnings report from the chip maker National Semiconductor sparked some buying.