in some of the lightest trading of the summer, bouncing back from sharp losses on Friday but pinned down by caution pending the opening of the earnings season. The Dow Industrials, which fell more than 200 points on Friday, rose 46.72 to 10,299.40. The Nasdaq Composite gained 22.55 to 2026.71. With the pre-announcement season mostly over, the hardest part of the calendar for the market, dealers expect the market to post gains over the next several weeks.