Market preview: S&P futures -0.4% and sliding back toward earlier lows despite a stomping...

|By:, SA News Editor
Market preview: S&P futures -0.4% and sliding back toward earlier lows despite a stomping ADP jobs report and decent weekly jobless claims. Barnes & Noble plunges 28.5% on a possible separation of its Nook ops, while retailers J.C. Penney (-6.2%), Target (-4%) and Children's Place (-12%) are suffering after profit warnings. Later: ISM services index.