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A Sign of Things to Come?
The first trading day of 2008 was a grim one for investors. The Dow dropped 220.86 points, or 1.7 percent, to end its worst first day of the year since 1983. Taking a step back to look at the broader market, things weren't much better. Today was the sixth-worst opening day for the S&P 500 Index ever. It shed 1.4 percent.
Investors love predictive indicators. What does a poor opening day mean for the stock market's year? Not much, as it turns out. In only two of the five years with the worst opening day sell-offs, the S&P ended the year in negative territory (1932, 2001). The other three years saw quite nice gains.
Conversely, a strong opening day seems more likely to foretell a happy story for the year. Only once in the six years with the strongest opening days did the S&P fall by the end of the year (1931). From S&P:
| Opening Day % Change | Annual % Change in Index | |
| 1/2/1932 | -3.7 | -15.2 |
| 1/2/2001 | -2.8 | -13.0 |
| 1/2/1980 | -2.0 | +25.8 |
| 1/3/1949 | -1.6 | +10.3 |
| 1/3/1983 | -1.6 | +17.3 |
| 1/2/2008 | -1.4 | ? |
| Opening Day % Change | Annual % Change in Index | |
| 1/4/1988 | +3.6 | +26.7 |
| 1/2/1931 | +3.3 | -47.1 |
| 1/2/2003 | +3.3 | +26.4 |
| 1/2/1975 | +2.4 | +31.6 |
| 1/2/1942 | +2.3 | +12.4 |
| 1/3/1955 | +2.1 | +26.4 |
by Megan Barnett
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