10:11 AM EST - National Bank : has swung to a fourth-quarter loss of $175 million, from a year-ago profit of $220 million, after a hefty charge related to the credit crunch. For the quarter ended Oct. 31, the diluted loss per share amounted to $1.14, versus earnings of $1.48 per share a year ago. National Bank
shares T.NA are trading down 53 cents at $53.72.
