Toshiba wants to raise at least $8.8 billion from sale of chip unit majority stake: source

TOKYO (Reuters) - Toshiba Corp wants to raise as least 1 trillion yen ($8.83 billion) from the sale of a majority stake in its NAND flash memory business to plug a hole in its finances from a $6.3 billion writedown of its U.S. nuclear unit, a source said.