US STOCKS-Wariness on debt issue keeps volume thin; 3M down By: Reuters: Company News July 26, 2011 at 13:09 PM EDT * Indexes: Dow off 0.5 pct, S&P 0.1 pct, Nasdaq up 0.2 pct Read More >> Related Stocks: 3M Co Ford Motor Netflix Standard & Poors 500 TECHNOLOGY