NEW YORK (Reuters) - The Nasdaq turned positive to trade little changed on Thursday, helped by a rise in Microsoft Corp's shares, but the gloom from Wal-Mart's dim outlook kept the Dow and the S&P 500 in negative territory.
* Sears Holdings Corp
* Wal-Mart offered the starkest indication yet that consumer spending, which accounts for about two-thirds of U.S. economic activity, continues to falter as households fret about mounting unemployment and dwindling savings.
* President-elect Barack Obama is set to speak on the economy at 11 a.m.
(Reporting by Ellis Mnyandu; Editing by James Dalgleish)