Wall Street sets new record while US dollar value slides again

NEW YORK, United States — Wall Street ticked to a record on Tuesday, as stocks zigzagged following mixed profit reports from UnitedHealth, General Motors and other big companies. The S&P 500 rose 0.4% and edged past its prior all-time high set a couple weeks ago. The Dow Jones Industrial Average dropped 408 points, or 0.8%,