By Ellie Ismailidou and Carla Mozee, MarketWatch
Hewlett-Packard shares tumble after weak quarterly sales
U.S. stocks held modest gains Wednesday afternoon as a pre-Thanksgiving round of U.S. economic data were interpreted as solid enough to keep the Federal Reserve on track for a potential interest-rate increase in December.
The S&P 500 rose 3 points, or 0.1%, to 2,092. The Dow Jones Industrial Average rose 29 points, or 0.2%, to 17,841...