The Standard & Poor's 500 and Nasdaq indexes hit new record highs Wednesday. The Dow Jones industrial average fell 79.15, or 0.3 percent, to 27, 270.04. The broader Standard & Poor's 500 index rose 14.09, or 0.5 percent, to 3,019.56. The technology-heavy Nasdaq composite index rose 70.10, or 0.85 percent, to 8,321.56.