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As noted in an earlier, recent discussion, the rate and frequency pattern of recent daily changes bear more similarity to the falling market between April 2000 and October 2002, than they do to the bull market that ended last fall. The same relationship also is apparent in the pattern of weekly changes. This can be seen in the figure below for the NASDAQ, and holds also for the DJIA and S&P500. (These two diagrams are available for the asking.)
These factors should not escape our attention when contemplating future index changes.
DJIA - 1.22 percent
NASDAQ - .36 percent
S&P500 - .85 percent