U.S. stocks rose in volatile trade Monday. The Dow Jones industrial average rose 98.19, or 0.4 percent, to 23,531.35. The broader Standard & Poor's 500 index rose 17.75, or 0.7 percent, to 2,549.69. The technology-heavy Nasdaq composite index rose 84.61, or 1.3 percent, to 6,823.47.