U.S. stocks rose modestly Thursday, The Dow Jones industrial average rose 33.33, or 0.1 percent, to 23,537.68. The broader Standard & Poor's 500 index rose 16.19, or 0.6 percent, to 2,799.55. The technology-heavy Nasdaq composite index rose 139.19, or 1.7 percent, to 8,532.36