U.S. stocks rose slightly on Thursday. The Dow Jones industrial average rose 52.31, or 0.2 percent, to 26,815.44. The broader Standard & Poor's 500 index rose 9.67, or 0.3 percent, to 3,246.59. The technology-heavy Nasdaq composite index rose 39.28, or 0.4 percent, to 10,672.27.