NEW YORK, June 18 (Reuters) - U.S. stocks opened little changed on Thursday as investors turned cautious after a mixed jobless report and ahead of a report on regional manufacturing activity.
The Dow Jones industrial average dropped 3.17 points, or 0.04 percent, to 8,494.01. The Standard & Poor's 500 Index gained 0.03 points, or 0.00 percent, to 910.74. The Nasdaq Composite Index fell 7.69 points, or 0.43 percent, to 1,800.37.