After opening the day lower, a majority of U.S. stocks spent Friday afternoon in positive territory, though the indexes wound up in the red. Still, following the politically driven decline in valuations since Wednesday afternoon, each of the major large-cap indexes remains well below its respective previous-week closing levels. While the bulls got a boost from a rosy Consumer Confidence Survey reading, today’s directionless movement underscored the recent uncertainty that has characterized trading over the past several weeks.